github-actions: bump codecov/codecov-action from 4.6.0 to 5.1.2

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.6.0 to 5.1.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.6.0...v5.1.2)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/continuous-integration.yml

@@ -357,7 +357,7 @@ jobs:
         run: "vendor/bin/phpunit -c phpunit.xml.dist --exclude-group compare --coverage-clover=coverage.clover --coverage-text --colors"
 
       - name: "Upload coverage to Codecov"
-        uses: "codecov/codecov-action@v4.6.0"
+        uses: "codecov/codecov-action@v5.1.2"
         with:
           file: "coverage.clover"
           flags: "phpunit"