fix: changed logic for getting project root directory

Author: moe-ad

examples/08-python-operators/02-python_operators_with_dependencies.py

@@ -63,7 +63,7 @@
 from ansys.dpf.core import examples
 
 plugin_path = Path(examples.download_gltf_plugin())
-folder_root = Path(__file__).parent.parent.parent
+folder_root = Path.cwd()
 
 # %%
 # To add third-party modules as dependencies to a plug-in package, you must