Bump coverage from 7.6.1 to 7.6.4

Bumps [coverage](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](https://github.com/nedbat/coveragepy/compare/7.6.1...7.6.4)

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

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

pyproject.toml

@@ -23,7 +23,7 @@ dev = [
     "attribution==1.8.0",
     "black==24.8.0",
     "build>=1.2",
-    "coverage==7.6.1",
+    "coverage==7.6.4",
     "flake8==7.1.1",
     "flit==3.9.0",
     "mypy==1.11.2",