Update codecov/codecov-action action to v5.3.1

Signed-off-by: Mend Renovate <[email protected]>

Author: renovate-bot

.github/workflows/operator.yml

@@ -174,7 +174,7 @@ jobs:
         run: make test
 
       - name: Upload test coverage
-        uses: codecov/codecov-action@0da7aa657d958d32c117fc47e1f977e7524753c7 # v5.3.0
+        uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./cover.out