Bump coverage from 7.2.7 to 7.3.1

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.2.7 to 7.3.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.2.7...7.3.1)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -2,7 +2,7 @@
 aiohttp==3.8.5
 aiohttp-session==2.12.0
 async-timeout==4.0.3
-coverage==7.2.7
+coverage==7.3.1
 cryptography==41.0.4
 hiredis==2.2.3
 passlib==1.7.4