Add workflow permissions for security compliance

Co-authored-by: ArtyomVancyan <44609997+ArtyomVancyan@users.noreply.github.com>

Author: Copilot

.github/workflows/check-missing-locales.yml

@@ -9,6 +9,9 @@ on:
 jobs:
   check-locales:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      issues: write
 
     steps:
       - name: Checkout code