Bump coverage from 7.8.2 to 7.9.0 (#900)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.8.2 to 7.9.0.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.8.2...7.9.0)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@
 aiohttp==3.12.12
 aiohttp-session==2.12.1
 async-timeout==5.0.1
-coverage==7.8.2
+coverage==7.9.0
 cryptography==45.0.4
 hiredis==3.2.1
 passlib==1.7.4