Lock file maintenance docs (#2172)

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This PR contains the following updates:

| Package | Update | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|---|
|  | lockFileMaintenance | All locks refreshed |  |  |  |  |
| [jekyll-feed](https://togithub.com/jekyll/jekyll-feed) | minor |
`0.15.1` -> `0.17.0` |
[![age](https://developer.mend.io/api/mc/badges/age/rubygems/jekyll-feed/0.17.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/rubygems/jekyll-feed/0.17.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/rubygems/jekyll-feed/0.15.1/0.17.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/rubygems/jekyll-feed/0.15.1/0.17.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

🔧 This Pull Request updates lock files to use the latest dependency
versions.

---

### Release Notes

<details>
<summary>jekyll/jekyll-feed (jekyll-feed)</summary>

###
[`v0.17.0`](https://togithub.com/jekyll/jekyll-feed/blob/HEAD/History.markdown#0170--2022-10-14)

[Compare
Source](https://togithub.com/jekyll/jekyll-feed/compare/v0.16.0...v0.17.0)

##### Documentation

- Update CI status badge
([#&#8203;363](https://togithub.com/jekyll/jekyll-feed/issues/363))

##### Development Fixes

- Add Ruby 3.1 to the CI matrix
([#&#8203;365](https://togithub.com/jekyll/jekyll-feed/issues/365))

##### Minor Enhancements

- Allow disabling of jekyll-feed while in development
([#&#8203;370](https://togithub.com/jekyll/jekyll-feed/issues/370))

###
[`v0.16.0`](https://togithub.com/jekyll/jekyll-feed/blob/HEAD/History.markdown#0160--2022-01-03)

[Compare
Source](https://togithub.com/jekyll/jekyll-feed/compare/v0.15.1...v0.16.0)

##### Minor Enhancements

- Add support for `page.description` in front matter to become entry
`<summary>`
([#&#8203;297](https://togithub.com/jekyll/jekyll-feed/issues/297))

##### Bug Fixes

- Fold private methods into the `:render` method as local variables
([#&#8203;327](https://togithub.com/jekyll/jekyll-feed/issues/327))
- Check `post.categories` instead of `post.category`
([#&#8203;357](https://togithub.com/jekyll/jekyll-feed/issues/357))
- Switched xml_escape for `<![CDATA[]]>` for post content
([#&#8203;332](https://togithub.com/jekyll/jekyll-feed/issues/332))

##### Development Fixes

- Add Ruby 3.0 to CI
([#&#8203;337](https://togithub.com/jekyll/jekyll-feed/issues/337))
- Lock RuboCop to v1.18.x
([#&#8203;348](https://togithub.com/jekyll/jekyll-feed/issues/348))
- Add workflow to release gem via GH Action
([#&#8203;355](https://togithub.com/jekyll/jekyll-feed/issues/355))

##### Documentation

- Use `.atom` extension in documented examples since we write an Atom
feed ([#&#8203;359](https://togithub.com/jekyll/jekyll-feed/issues/359))

</details>

---

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---

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docs/Gemfile.lock

@@ -14,7 +14,7 @@ GEM
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     base64 (0.2.0)
-    bigdecimal (3.1.6)
+    bigdecimal (3.1.8)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -23,10 +23,9 @@ GEM
     commonmarker (0.23.10)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
-    dnsruby (1.70.0)
+    dnsruby (1.72.1)
       simpleidn (~> 0.2.1)
-    drb (2.2.0)
-      ruby2_keywords
+    drb (2.2.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
@@ -96,7 +95,7 @@ GEM
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.8.0)
-    i18n (1.14.4)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.9.3)
       addressable (~> 2.4)
@@ -219,11 +218,11 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.22.2)
+    minitest (5.22.3)
     mutex_m (0.2.0)
     net-http (0.4.1)
       uri
-    nokogiri (1.16.2-x86_64-linux)
+    nokogiri (1.16.4-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -237,7 +236,6 @@ GEM
       ffi (~> 1.0)
     rexml (3.2.6)
     rouge (3.26.0)
-    ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -248,7 +246,7 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
-    simpleidn (0.2.1)
+    simpleidn (0.2.2)
       unf (~> 0.1.4)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)