Bump codecov/codecov-action from 3 to 4

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v3...v4)

---
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/coverage.yml

@@ -128,7 +128,7 @@ jobs:
         "C:\Program Files\OpenCppCoverage\OpenCppCoverage.exe" --export_type cobertura:coverage.out --sources "NazaraEngine\include\Nazara\*" --sources "NazaraEngine\src\Nazara\*" --modules "NazaraEngine\bin\*" --cover_children -- xmake run UnitTests
 
     - name: Upload Coverage Report to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         files: ./coverage.out
         fail_ci_if_error: true