ci: fix translation extraction for external PRs (#13266)

.github/workflows/translation-extract-compile.yml

@@ -19,13 +19,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - id: generate_token
+        if: ${{ github.event_name != 'pull_request' }}
         uses: tibdex/github-app-token@v2
         with:
           app_id: ${{ secrets.GH_APP_ID }}
           private_key: ${{ secrets.GH_APP_PRIVATE_KEY }}
       - uses: actions/checkout@v4
+        if: ${{ github.event_name != 'pull_request' }}
         with:
           token: ${{ steps.generate_token.outputs.token }}
+      - uses: actions/checkout@v4
+        if: ${{ github.event_name == 'pull_request' }}
       - name: Setup authentik env
         uses: ./.github/actions/setup
       - name: run extract