[CI] Schedule 0.2.x workflow

.github/workflows/ci-dispatcher.yml

@@ -0,0 +1,25 @@
+name: CI Scheduler (0.2.x)
+
+on:
+  schedule:
+    - cron: '0 11 * * *' # Once per day at 11am UTC
+  workflow_dispatch:
+
+jobs:
+  dispatch_ci_workflow:
+    name: Dispatch CI workflow
+    if: github.repository == 'spring-projects/spring-pulsar'
+    strategy:
+      matrix:
+        # List of active maintenance branches.
+        branch: [ 0.2.x ]
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 1
+    - name: Dispatch
+      env:
+        GH_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
+      run: gh workflow run ci.yml -r ${{ matrix.branch }}