chore(deps): bump coverage[toml] from 7.6.1 to 7.6.4

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.6.1 to 7.6.4.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.1...7.6.4)

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

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

requirements.txt

@@ -39,7 +39,7 @@ contextily==1.6.2
     # via pygef (pyproject.toml)
 contourpy==1.3.0
     # via matplotlib
-coverage[toml]==7.6.1
+coverage[toml]==7.6.4
     # via
     #   coverage
     #   coveralls