Corrected rsync --exclude single arg syntax for dot files/folders

Author: adamlui

.github/workflows/sync-changes.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Sync ** to adamlui/ai-apps/perplexity-omnibox/
         run: |
-          rsync -avhr --delete --exclude={'.*'} \
+          rsync -avhr --delete --exclude '.*' \
             ${{ github.workspace }}/adamlui/perplexity-omnibox/ \
             ${{ github.workspace }}/adamlui/ai-apps/perplexity-omnibox/