Bump starlette from 0.20.4 to 0.27.0 (#560)

* Bump starlette from 0.20.4 to 0.27.0

Bumps [starlette](https://github.com/encode/starlette) from 0.20.4 to 0.27.0.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](Kludex/starlette@0.20.4...0.27.0)

---
updated-dependencies:
- dependency-name: starlette
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Add httpx as dependency

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Zanie <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -14,11 +14,12 @@ pymysql==1.0.2
 # Testing
 autoflake==1.4
 black==22.6.0
+httpx==0.24.1
 isort==5.10.1
 mypy==0.971
 pytest==7.1.2
 pytest-cov==3.0.0
-starlette==0.20.4
+starlette==0.27.0
 requests==2.28.1
 
 # Documentation