Add source_directory input to open-in-{colab,kaggle}-workflow in open_in_cloud.yml

Author: francesco-ballarin

.github/workflows/open_in_cloud.yml

@@ -22,6 +22,7 @@ jobs:
   open_in_colab:
     uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@main
     with:
+      source_directory: source_not_used
       work_directory: open_in_colab
       notebook_pattern: "**/*.ipynb"
       notebook_preparation: |
@@ -52,6 +53,7 @@ jobs:
   open_in_kaggle:
     uses: fem-on-kaggle/open-in-kaggle-workflow/.github/workflows/workflow_call.yml@main
     with:
+      source_directory: source_not_used
       work_directory: open_in_kaggle
       notebook_pattern: "**/*.ipynb"
       notebook_preparation: |