Bump coverage from 7.6.1 to 7.6.9

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.1 to 7.6.9.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.1...7.6.9)

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

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

requirements.txt

@@ -4,7 +4,7 @@ aiohttp==3.10.10
 aiohttp-jinja2==1.6
 aiohttp-mako==0.4.0
 aioredis==2.0.1
-coverage==7.6.1
+coverage==7.6.9
 docutils==0.20.1
 jinja2==3.1.5
 multidict==6.1.0