Update ci.yml

Author: shdwmtr

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ on:
 jobs:
   prepare:
     runs-on: ubuntu-latest
-    if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
+    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
 
     outputs:
       submodule-matrix: ${{ steps.discover-submodules.outputs.submodule-matrix }}