Bump codecov/codecov-action from 3.1.0 to 3.1.1 (#113126)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](81cd2dc814...d9f34f8cd5)

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

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/coverage.yml

@@ -25,7 +25,7 @@ jobs:
       - name: ./bin/flutter test --coverage
         run: pushd packages/flutter;../../bin/flutter test --coverage -j 1;popd
       - name: upload coverage
-        uses: codecov/codecov-action@81cd2dc8148241f03f5839d295e000b8f761e378
+        uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
         with:
           files: packages/flutter/coverage/lcov.info
           verbose: true