Fix project root since script was moved

{{ cookiecutter.repo_name }}/src/data/make_dataset.py

@@ -17,7 +17,7 @@ if __name__ == '__main__':
     log_fmt = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
     logging.basicConfig(level=logging.INFO, format=log_fmt)
 
-    project_dir = os.path.join(os.path.dirname(__file__), os.pardir)
+    project_dir = os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)
     dotenv_path = os.path.join(project_dir, '.env')
     dotenv.load_dotenv(dotenv_path)