CI(deps): Update codecov/codecov-action action to v5.5.1 (OSGeo#6321)

Author: renovate[bot]

.github/workflows/pytest.yml

@@ -136,7 +136,7 @@ jobs:
           flags: pytest-python-${{ matrix.python-version }}
           token: ${{ secrets.CODECOV_TOKEN }}
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@fdcc8476540edceab3de004e990f80d881c6cc00 # v5.5.0
+        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
         with:
           verbose: true
           flags: pytest-python-${{ matrix.python-version }}