Bump codecov/codecov-action from 4.6.0 to 5.1.1

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.6.0 to 5.1.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@b9fd7d1...7f8b4b4)

---
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/tests.yaml

@@ -98,7 +98,7 @@ jobs:
         _REZ_ENSURE_TEST_SHELLS: ${{ matrix.shells }}
 
     - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4.6.0
+      uses: codecov/codecov-action@7f8b4b4bde536c465e797be725718b88c5d95e0e # v5.1.1
       # Run on both success and failure, but only if coverage.xml exists.
       if: ${{ hashFiles('coverage.xml') != '' && (steps.tests.outcome == 'success' || steps.tests.outcome == 'failure') }}
       with: