feat(ci): use main branch for crowdin sync

.github/workflows/crowdin.yml

@@ -5,35 +5,28 @@ on:
     - cron: "0 17 * * 6" # "At 17:00 on Saturday."
   workflow_dispatch:
 
+permissions:
+  contents: write
+
 jobs:
   sync-crowdin:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          persist-credentials: true
 
       - name: Crowdin
-        uses: crowdin/github-action@1.4.11
+        uses: crowdin/github-action@v2
         with:
           config: crowdin.yml
+          upload_sources: true
           upload_translations: true
           download_translations: true
           push_translations: true
+          localization_branch_name: main
           create_pull_request: false
-          localization_branch_name: l10n
           commit_message: 'chore(l10n): sync translations'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_ID }}
           CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_TOKEN }}
-
-      - name: Merge
-        run: |
-          sudo chmod -R ugo+rwX .
-          git checkout main
-          git add *
-          git merge l10n
-          git push
-          git push origin --delete l10n || true