chore(deps): update dependency starlette to ^0.28.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
starlette (changelog)	^0.27.0 -> ^0.28.0

---

Release Notes

encode/starlette

v0.28.0: Version 0.28.0

Compare Source

Changed

• Reuse Request's body buffer for call_next in BaseHTTPMiddleware #​1692.
• Move exception handling logic to Route #​2026.

Added

• Add env parameter to Jinja2Templates, and deprecate **env_options #​2159.
• Add clear error message when httpx is not installed #​2177.

Fixed

• Allow "name" argument on templates url_for() #​2127.

Full Changelog: encode/starlette@0.27.0...0.28.0

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[ghost]

👇 Click on the image for a new way to code review

Legend

[codeclimate]

Code Climate has analyzed commit 40bd9d5 and detected 0 issues on this pull request.

View more on Code Climate.