Bump codecov/codecov-action from 5.0.7 to 5.1.1

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.0.7 to 5.1.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@015f24e...7f8b4b4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/codecov.yml

@@ -27,7 +27,7 @@ jobs:
             echo "No Makefile coverage target, using default behavior"
             go test -coverprofile=coverage.out ./...
           fi
-      - uses: codecov/codecov-action@015f24e6818733317a2da2edd6290ab26238649a # pin@v4
+      - uses: codecov/codecov-action@7f8b4b4bde536c465e797be725718b88c5d95e0e # pin@v4
         with:
           files: coverage.out
           token: ${{ secrets.CODECOV_TOKEN }}