Bump types-redis in /auth/libraries/pip-auth (#495)

Bumps [types-redis](https://github.com/python/typeshed) from 4.6.0.20240819 to 4.6.0.20240903.
- [Commits](https://github.com/python/typeshed/commits)

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

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

auth/libraries/pip-auth/requirements_development.txt

@@ -5,5 +5,5 @@ isort==5.13.2
 mypy==1.11.2
 pytest==8.3.2
 
-types-redis==4.6.0.20240819
+types-redis==4.6.0.20240903
 types-requests==2.32.0.20240712