chore(deps): pin codecov/codecov-action action to ab904c4 (#1031)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yaml

@@ -25,6 +25,6 @@ jobs:
       - name: Run test
         run: go test ./... -coverprofile=coverage.txt
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@ab904c41d6ece82784817410c45d8b8c02684457 # v3
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}