Bump coverage[toml] from 7.3.1 to 7.6.1

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.3.1 to 7.6.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.3.1...7.6.1)

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

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

requirements/coverage.txt

@@ -8,7 +8,7 @@ build==1.2.1
     # via pip-tools
 click==8.1.3
     # via pip-tools
-coverage[toml]==7.6.0
+coverage[toml]==7.6.1
     # via -r requirements/coverage.in
 importlib-metadata==6.6.0
     # via pip-sync-faster