Bump types-requests from 2.28.3 to 2.28.6

Bumps [types-requests](https://github.com/python/typeshed) from 2.28.3 to 2.28.6.
- [Release notes](https://github.com/python/typeshed/releases)
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-requests
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

dev-requirements.txt

@@ -12,5 +12,5 @@ sphinx==5.1.0
 
 # Mypy test requirements
 mypy==0.971
-types-requests==2.28.3
+types-requests==2.28.6
 types-redis==4.3.11