added more info on contributing md from feedback

Author: Gabefire

examples/CONTRIBUTING.md

@@ -22,6 +22,7 @@ Review our [template notebook](template.ipynbs) for general overview on how note
 6. Labelbox and other platforms with clients and API keys should be specified under a single section.
 7. Subsections need a second level header **##** and an overview of the section.
 8. The last cell should be a clean up section to delete any labelbox objects created and commented out to prevent accidentally running code blocks.
+9. Notebook github action [workflows](#github-workflows) are required to run successfully before merging.
 
 > [!IMPORTANT]
 > Please make sure to remove any API keys before pushing changes