Bump coverage from 7.5.3 to 7.6.8

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.5.3 to 7.6.8.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.5.3...7.6.8)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
 dev = [
     "black==24.4.2",
     "build>=1",
-    "coverage==7.5.3",
+    "coverage==7.6.8",
     "flake8==7.1.1",
     "flake8-bugbear==24.8.19",
     "flit==3.9.0",