Add pre-processing script to scheduled workflow

Added a pre-processing script for notebook execution.

Author: mgough-970

.github/workflows/notebook-scheduled.yml

@@ -23,6 +23,7 @@ jobs:
       crds-server-url: 'https://roman-crds-tvac.stsci.edu'
       crds-context: 'roman_0027.pmap'
       crds-path: '/tmp/crds_cache'
+      pre-processing-script: 'shared/notebook_data_dependencies.py'
     secrets: inherit
 
 
@@ -32,3 +33,4 @@ jobs:
 
 
 
+