Amend argument name

Author: remlapmot

.github/workflows/test-coverage.yaml

@@ -44,7 +44,7 @@ jobs:
           # Fail if error if not on PR, or if on PR and token is given
           fail_ci_if_error: ${{ github.event_name != 'pull_request' || secrets.CODECOV_TOKEN }}
           file: ./cobertura.xml
-          plugin: noop
+          plugins: noop
           disable_search: true
           token: ${{ secrets.CODECOV_TOKEN }}