Bump codecov/codecov-action from 4 to 5 in the github-actions group

Bumps the github-actions group with 1 update: [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `codecov/codecov-action` from 4 to 5
- [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...v5)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -274,7 +274,7 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: matrix.python-version == '3.11' && github.repository == 'Materials-Consortia/optimade-python-tools'
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         name: project
@@ -283,7 +283,7 @@ jobs:
 
     - name: Upload validator coverage to Codecov
       if: matrix.python-version == '3.11' && github.repository == 'Materials-Consortia/optimade-python-tools'
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         name: validator