chore(dependencies): update codecov/codecov-action action to v6 (#998)

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

Author: renovate[bot]

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
           node-version: lts/*
       - run: yarn
       - run: yarn test
-      - uses: codecov/codecov-action@v5.5.4
+      - uses: codecov/codecov-action@v6
   lighthouse:
     runs-on: ubuntu-latest
     steps: