trying to make precommit executable in tests

Author: sbillinge

.github/workflows/testing.yml

@@ -45,6 +45,7 @@ jobs:
           conda install --file requirements/requirements.txt
           conda install pytest coverage codecov
           pip install .
+          chmod +x ./prevent_commit_to_main.sh
 
       - name: Validate diffpy.labpdfproc
         shell: bash -l {0}