chore(ci): Correct path for test coverage result

Author: stefanhoth

.github/workflows/build.yml

@@ -40,7 +40,7 @@ jobs:
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1
       with:
-        files: ./coverage/coverage-final.json
+        files: ./src/coverage/coverage-final.json
         fail_ci_if_error: true
 
   lint: