Bump coverage from 7.2.7 to 7.3.0

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.2.7 to 7.3.0.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.2.7...7.3.0)

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

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

setup.py

@@ -54,7 +54,7 @@
             "Cython==3.0.0",
         ],
         "test": [
-            "coverage==7.2.7",
+            "coverage==7.3.0",
             "pytest<7.5",
             "pytest-cov==4.1.0",
             "testfixtures==7.1.0",