build: fix notarize multiline

Author: forevanyeung

.github/workflows/build.yaml

@@ -150,7 +150,7 @@ jobs:
             --team-id 'L8SL8KUNVD' \
             --apple-id ${{ secrets.NOTARY_USERNAME }} \
             --password ${{ secrets.NOTARY_PASSWORD }} \
-            --timeout 60
+            --timeout 60 \
             --wait
 
       - name: Staple macOS installer