build: Automerge weblate PRs

.github/workflows/weblate_auto_merge.yaml

@@ -0,0 +1,15 @@
+name: Weblate Auto Merge
+
+on:
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'weblate'
+    steps:
+      - name: Enable Pull Request Automerge
+        run: gh pr merge --merge --auto "1"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}