Update test_changed_notebooks.yaml

Author: robbibt

.github/workflows/test_changed_notebooks.yaml

@@ -12,8 +12,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-      # with:
-      #   fetch-depth: 100
+      with:
+        fetch-depth: 0
 
     # - name: Set up Python
     #   uses: actions/setup-python@v4