Bump coverage from 7.15.2 to 7.15.3

Bumps [coverage](https://github.com/coveragepy/coveragepy) from 7.15.2 to 7.15.3.
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.15.2...7.15.3)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.15.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

setup.cfg

@@ -46,7 +46,7 @@ install_requires =
 
 [options.extras_require]
 testing =
-  coverage == 7.15.2
+  coverage == 7.15.3
   mypy == 2.3.0
 
 [options.entry_points]