[CI] Schedule Trivy scan for maintenance branches

.github/workflows/trivy-scan-dispatcher-1.0.x.yml

@@ -0,0 +1,25 @@
+name: Trivy Vulnerability Scan (Repo mode) Dispatcher (1.0.x)
+
+on:
+  schedule:
+    - cron: '0 15 * * */3' # Once every 3 day at 15:00 UTC
+  workflow_dispatch:
+
+jobs:
+  dispatch_trivy_workflow:
+    name: Dispatch scan workflow
+    if: github.repository == 'spring-projects/spring-pulsar'
+    strategy:
+      matrix:
+        # List of active maintenance branches.
+        branch: [ 1.0.x ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Dispatch
+        env:
+          GH_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
+        run: gh workflow run trivy-scan.yml -r ${{ matrix.branch }}

.github/workflows/trivy-scan-dispatcher-1.1.x.yml

@@ -0,0 +1,25 @@
+name: Trivy Vulnerability Scan (Repo mode) Dispatcher (1.1.x)
+
+on:
+  schedule:
+    - cron: '0 16 * * */3' # Once every 3 day at 16:00 UTC
+  workflow_dispatch:
+
+jobs:
+  dispatch_trivy_workflow:
+    name: Dispatch scan workflow
+    if: github.repository == 'spring-projects/spring-pulsar'
+    strategy:
+      matrix:
+        # List of active maintenance branches.
+        branch: [ 1.1.x ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Dispatch
+        env:
+          GH_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
+        run: gh workflow run trivy-scan.yml -r ${{ matrix.branch }}

.github/workflows/trivy-scan.yml

@@ -26,7 +26,7 @@ on:
         required: false
         type: boolean
   schedule:
-    - cron: '0 14 * * */3' # Once every 3 day at 2pm UTC
+    - cron: '0 14 * * */3' # Once every 3 day at 14:00 UTC
 
 jobs:
   run_trivy_scan: