ci: use reusable translation-sync workflow (#4818)

* ci: open PR for translation updates instead of pushing directly

* ci: also trigger translation workflow on pull request for testing

* ci: use reusable translation-sync workflow

Author: DeepDiver1975

.github/workflows/translate.yml

@@ -0,0 +1,22 @@
+name: "Update translations"
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 3 * * *"
+  pull_request:
+    branches:
+      - master
+
+permissions: {}
+
+jobs:
+  update-translations:
+    uses: owncloud/reusable-workflows/.github/workflows/translation-sync.yml@main
+    with:
+      mode: native
+      sub_path: .
+    secrets:
+      TX_TOKEN: ${{ secrets.TX_TOKEN }}
+      TRANSLATION_APP_ID: ${{ secrets.TRANSLATION_APP_ID }}
+      TRANSLATION_APP_PRIVATE_KEY: ${{ secrets.TRANSLATION_APP_PRIVATE_KEY }}