Bump codecov/codecov-action from 5.2.0 to 5.3.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v5.2.0...v5.3.0)

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

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

Author: dependabot[bot]

.github/workflows/tox.yml

@@ -260,7 +260,7 @@ jobs:
 
       - name: Upload coverage data
         if: ${{ inputs.jobs_producing_coverage }}
-        uses: codecov/codecov-action@v5.2.0
+        uses: codecov/codecov-action@v5.3.0
         with:
           name: ${{ matrix.name }}
           fail_ci_if_error: true