ci: add org metadata sync trigger workflow

Co-authored-by: Koru Agent <agent@coru.dev>

Author: coru-agent

.github/workflows/trigger-org-sync.yml

@@ -0,0 +1,27 @@
+# Copy this file to member repos as .github/workflows/trigger-org-sync.yml
+# Repository dispatch target is filled by bootstrap_triggers.py
+
+name: Trigger org metadata sync
+
+on:
+  push:
+    branches: [main, master]
+    paths-ignore:
+      - "index.html"
+      - ".nojekyll"
+      - "profile/**"
+      - ".github/workflows/trigger-org-sync.yml"
+  workflow_dispatch:
+
+jobs:
+  dispatch:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify org metadata sync
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ secrets.ORG_SYNC_PAT }}
+          repository: semcod/.github
+          event-type: org-repo-changed
+          client-payload: >-
+            {"repository":"${{ github.repository }}","ref":"${{ github.ref }}","sha":"${{ github.sha }}"}