Fix codecov call

Author: Patrick Häcker

.github/workflows/ReusableTest.yml

@@ -90,5 +90,5 @@ jobs:
       - uses: codecov/codecov-action@v7
         if: ${{ inputs.run_codecov }}
         with:
-          file: lcov.info
+          files: lcov.info
           token: ${{ secrets.codecov_token }}