fix(ci): grant contents:read permission for translation-sync caller

Author: DeepDiver1975

.github/workflows/translation-sync.yml

@@ -5,7 +5,8 @@ on:
     - cron: '0 2 * * *'
   workflow_dispatch:
 
-permissions: {}
+permissions:
+  contents: read
 
 jobs:
   sync: