change to human readable syntax

Author: tomdaley92

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Restore executable permissions
         run: |
-          chmod -R 755 Kiwi8.app
+          chmod -R u=rwx,go=rx Kiwi8.app
 
       - name: Create macOS release archive
         run: |