Bump coverage from 6.5 to 7.4.1 (#99)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 6.5 to 7.4.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.5.0...7.4.1)

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

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

pyproject.toml

@@ -27,7 +27,7 @@ dev = [
     "attribution==1.6.2",
     "black==22.3.0",
     "click==8.1.3",
-    "coverage==6.5",
+    "coverage==7.4.1",
     "flit==3.9.0",
     "flake8==4.0.1",
     "flake8-bugbear==23.2.13",