Bump urllib3 from 1.26.5 to 1.26.16 (#68)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.5 to
1.26.16.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/urllib3/urllib3/releases">urllib3's
releases</a>.</em></p>
<blockquote>
<h2>1.26.16</h2>
<ul>
<li>Fixed thread-safety issue where accessing a <code>PoolManager</code>
with many distinct origins would cause connection pools to be closed
while requests are in progress (<a
href="https://redirect.github.com/urllib3/urllib3/issues/2954">#2954</a>)</li>
</ul>
<h2>1.26.15</h2>
<ul>
<li>Fix socket timeout value when HTTPConnection is reused (<a
href="https://redirect.github.com/urllib3/urllib3/issues/2645">urllib3/urllib3#2645</a>)</li>
<li>Remove &quot;!&quot; character from the unreserved characters in
IPv6 Zone ID parsing (<a
href="https://redirect.github.com/urllib3/urllib3/issues/2899">urllib3/urllib3#2899</a>)</li>
<li>Fix IDNA handling of 'x80' byte (<a
href="https://redirect.github.com/urllib3/urllib3/issues/2901">urllib3/urllib3#2901</a>)</li>
</ul>
<h2>1.26.14</h2>
<ul>
<li>Fixed parsing of port 0 (zero) returning None, instead of 0 (<a
href="https://redirect.github.com/urllib3/urllib3/issues/2850">#2850</a>)</li>
<li>Removed deprecated <code>HTTPResponse.getheaders()</code> calls in
<code>urllib3.contrib</code> module.</li>
</ul>
<h2>1.26.13</h2>
<ul>
<li>Deprecated the <code>HTTPResponse.getheaders()</code> and
<code>HTTPResponse.getheader()</code> methods.</li>
<li>Fixed an issue where parsing a URL with leading zeroes in the port
would be rejected even when the port number after removing the zeroes
was valid.</li>
<li>Fixed a deprecation warning when using cryptography v39.0.0.</li>
<li>Removed the <code>&lt;4</code> in the <code>Requires-Python</code>
packaging metadata field.</li>
</ul>
<h2>1.26.12</h2>
<ul>
<li>Deprecated the <code>urllib3[secure]</code> extra and the
<code>urllib3.contrib.pyopenssl</code> module. Both will be removed in
v2.x. See this <a
href="https://redirect.github.com/urllib3/urllib3/issues/2680">GitHub
issue</a> for justification and info on how to migrate.</li>
</ul>
<h2>1.26.11</h2>
<p><strong>If you or your organization rely on urllib3 consider
supporting us via <a href="https://github.com/sponsors/urllib3">GitHub
Sponsors</a>.</strong></p>
<p>:warning: <strong>urllib3 v2.0 will drop support for Python
2</strong>: <a
href="https://urllib3.readthedocs.io/en/latest/v2-roadmap.html">Read
more in the v2.0 Roadmap</a></p>
<ul>
<li>Fixed an issue where reading more than 2 GiB in a call to
HTTPResponse.read would raise an OverflowError on Python 3.9 and
earlier.</li>
</ul>
<h2>1.26.10</h2>
<p><strong>If you or your organization rely on urllib3 consider
supporting us via <a href="https://github.com/sponsors/urllib3">GitHub
Sponsors</a>.</strong></p>
<p>:warning: <strong>urllib3 v2.0 will drop support for Python
2</strong>: <a
href="https://urllib3.readthedocs.io/en/latest/v2-roadmap.html">Read
more in the v2.0 Roadmap</a></p>
<p>:closed_lock_with_key: <strong>This is the first release to be signed
with Sigstore!</strong> You can verify the distributables using the
<code>.sig</code> and <code>.crt</code> files included on this
release.</p>
<ul>
<li>Removed support for Python 3.5</li>
<li>Fixed an issue where a <code>ProxyError</code> recommending
configuring the proxy as HTTP instead of HTTPS could appear even when an
HTTPS proxy wasn't configured.</li>
</ul>
<h2>1.26.9</h2>
<p><strong>If you or your organization rely on urllib3 consider
supporting us via <a href="https://github.com/sponsors/urllib3">GitHub
Sponsors</a>.</strong></p>
<p>:warning: <strong>urllib3 v2.0 will drop support for Python
2</strong>: <a
href="https://urllib3.readthedocs.io/en/latest/v2-roadmap.html">Read
more in the v2.0 Roadmap</a></p>
<p>:warning: <strong>This release will be the last release supporting
Python 3.5. Please upgrade to a non-EOL Python version.</strong></p>
<ul>
<li>Changed <code>urllib3[brotli]</code> extra to favor installing
Brotli libraries that are still receiving updates like
<code>brotli</code> and <code>brotlicffi</code> instead of
<code>brotlipy</code>. This change does not impact behavior of urllib3,
only which dependencies are installed.</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/urllib3/urllib3/blob/main/CHANGES.rst">urllib3's
changelog</a>.</em></p>
<blockquote>
<h1>1.26.16 (2023-05-23)</h1>
<ul>
<li>Fixed thread-safety issue where accessing a <code>PoolManager</code>
with many distinct origins
would cause connection pools to be closed while requests are in progress
(<code>[#2954](urllib3/urllib3#2954)
&lt;https://github.com/urllib3/urllib3/pull/2954&gt;</code>_)</li>
</ul>
<h1>1.26.15 (2023-03-10)</h1>
<ul>
<li>Fix socket timeout value when <code>HTTPConnection</code> is reused
(<code>[#2645](urllib3/urllib3#2645)
&lt;https://github.com/urllib3/urllib3/issues/2645&gt;</code>__)</li>
<li>Remove &quot;!&quot; character from the unreserved characters in
IPv6 Zone ID parsing
(<code>[#2899](urllib3/urllib3#2899)
&lt;https://github.com/urllib3/urllib3/issues/2899&gt;</code>__)</li>
<li>Fix IDNA handling of '\x80' byte
(<code>[#2901](urllib3/urllib3#2901)
&lt;https://github.com/urllib3/urllib3/issues/2901&gt;</code>__)</li>
</ul>
<h1>1.26.14 (2023-01-11)</h1>
<ul>
<li>Fixed parsing of port 0 (zero) returning None, instead of 0.
(<code>[#2850](urllib3/urllib3#2850)
&lt;https://github.com/urllib3/urllib3/issues/2850&gt;</code>__)</li>
<li>Removed deprecated getheaders() calls in contrib module. Fixed the
type hint of <code>PoolKey.key_retries</code> by adding
<code>bool</code> to the union.
(<code>[#2865](urllib3/urllib3#2865)
&lt;https://github.com/urllib3/urllib3/issues/2865&gt;</code>__)</li>
</ul>
<h1>1.26.13 (2022-11-23)</h1>
<ul>
<li>Deprecated the <code>HTTPResponse.getheaders()</code> and
<code>HTTPResponse.getheader()</code> methods.</li>
<li>Fixed an issue where parsing a URL with leading zeroes in the port
would be rejected
even when the port number after removing the zeroes was valid.</li>
<li>Fixed a deprecation warning when using cryptography v39.0.0.</li>
<li>Removed the <code>&lt;4</code> in the <code>Requires-Python</code>
packaging metadata field.</li>
</ul>
<h1>1.26.12 (2022-08-22)</h1>
<ul>
<li>Deprecated the <code>urllib3[secure]</code> extra and the
<code>urllib3.contrib.pyopenssl</code> module.
Both will be removed in v2.x. See this <code>GitHub issue
&lt;https://github.com/urllib3/urllib3/issues/2680&gt;</code>_
for justification and info on how to migrate.</li>
</ul>
<h1>1.26.11 (2022-07-25)</h1>
<ul>
<li>Fixed an issue where reading more than 2 GiB in a call to
<code>HTTPResponse.read</code> would
raise an <code>OverflowError</code> on Python 3.9 and earlier.</li>
</ul>
<h1>1.26.10 (2022-07-07)</h1>
<ul>
<li>Removed support for Python 3.5</li>
<li>Fixed an issue where a <code>ProxyError</code> recommending
configuring the proxy as HTTP
instead of HTTPS could appear even when an HTTPS proxy wasn't
configured.</li>
</ul>
<p>1.26.9 (2022-03-16)</p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/urllib3/urllib3/commit/d94029b7e2193ff47b627906a70e06377a09aae8"><code>d94029b</code></a>
Release 1.26.16</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/18e92145e9cddbabdf51c98f54202aa37fd5d4c8"><code>18e9214</code></a>
Use trusted publishing for PyPI</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/d25cf83bbae850a290fe34ed1610ae55c0558b36"><code>d25cf83</code></a>
[1.26] Fix invalid test_ssl_failure_midway_through_conn</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/25cca389496b86ee809c21e5b641aeaa74809263"><code>25cca38</code></a>
[1.26] Fix test_ssl_object_attributes</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/bbea166e946ff5bf1411c1827e1d92566be59cb1"><code>bbea166</code></a>
[1.26] Fix pypy2.7 CI</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/710114d7810558fd7e224054a566b53bb8601494"><code>710114d</code></a>
[1.26] Don't close ConnectionPools from PoolManager until
unreferenced</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/6b77c3975719e403a1d28ddf0d3ff8377814ab14"><code>6b77c39</code></a>
[1.26] pin virtualenv to &lt;20.22.0 for python-version==2.7</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/cdb8a7d6902418d214e67b3a8b0d854e460e2c49"><code>cdb8a7d</code></a>
[1.26] Fix compatible Python versions in v2-roadmap.rst (<a
href="https://redirect.github.com/urllib3/urllib3/issues/2979">#2979</a>)</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/0dfbb254cc4f9a8b1d0912f6b08e8ef03f2ca4f0"><code>0dfbb25</code></a>
[1.26] Bump Ubuntu version in integration tests</li>
<li><a
href="https://github.com/urllib3/urllib3/commit/f50c0d03c2b8cc20b0be7fa2fb7a01e15b7b0313"><code>f50c0d0</code></a>
[1.26] Fix isort pre-commit installation</li>
<li>Additional commits viewable in <a
href="https://github.com/urllib3/urllib3/compare/1.26.5...1.26.16">compare
view</a></li>
</ul>
</details>
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Pipfile

@@ -42,7 +42,7 @@ six = "==1.15.0"
 sqlalchemy = "==1.4.11"
 starkbank-ecdsa = "==2.0.1"
 tatsu = "==5.6.1"
-urllib3 = "==1.26.5"
+urllib3 = "==1.26.16"
 virtualenv-clone = "==0.5.4"
 virtualenv = "==20.4.4"
 werkzeug = "==1.0.1"