Bump async-timeout from 4.0.2 to 4.0.3

Bumps [async-timeout](https://github.com/aio-libs/async-timeout) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/aio-libs/async-timeout/releases)
- [Changelog](https://github.com/aio-libs/async-timeout/blob/master/CHANGES.rst)
- [Commits](aio-libs/async-timeout@v4.0.2...v4.0.3)

---
updated-dependencies:
- dependency-name: async-timeout
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

requirements/requirements.txt

@@ -12,7 +12,7 @@ asgiref==3.7.2
     # via
     #   -r requirements/requirements.in
     #   django
-async-timeout==4.0.2
+async-timeout==4.0.3
     # via redis
 backports-zoneinfo==0.2.1
     # via django