Bump coverage from 7.5.0 to 7.5.3 (#86)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.5.0 to 7.5.3.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.5.0...7.5.3)

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

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

requirements.txt

@@ -2,7 +2,7 @@ Flask==3.0.3
 autopep8==2.2.0
 gunicorn==22.0.0
 pytest==8.2.1
-coverage==7.5.0
+coverage==7.5.3
 pony==0.7.17
 psycopg2==2.9.9
 flask-login==0.6.3