-FS will add any new files in the folder to the zip, and delete any files from the zip that aren't in the folder.

Author: carstingaxion

.github/workflows/prepare-assets.yml

@@ -53,7 +53,7 @@ jobs:
 
       - name: Copy built assets into ZIP for extraction inside Playground.
         run: |
-          zip -r zips/playground-assets.zip wp-content/themes -x "*.git*"
+          zip -FSr zips/playground-assets.zip wp-content -x "*.git*" "*.mp4*"
           rm -rf wp-content
 
       - uses: EndBug/add-and-commit@v9