update python module path

Author: jan-janssen

.github/workflows/pipeline.yml

@@ -17,7 +17,7 @@ jobs:
     - uses: psf/black@stable
       with:
         options: "--check --diff"
-        src: ./qe_xml_parser/src/qe_xml_parser
+        src: ./example_workflows/quantum_espresso/qe_xml_parser/src/qe_xml_parser
 
   nfdi4ing:
     runs-on: ubuntu-22.04