update

Author: shink

.github/actions/list-pr/action.yml

@@ -70,7 +70,6 @@ runs:
             core.info(`prs: ${pr_urls.join("\n")}`);
           } else {
             core.warning("No PR found");
-            return null;
           }
 
           const result = prs.map(pr => ({

.github/workflows/dispatch-event.yml

@@ -57,7 +57,7 @@ jobs:
           hours: ${{ github.event.inputs.hours || '24' }}
 
   dispatch-pr:
-    if: ${{ needs.list-pr.outputs.prs }}
+    if: ${{ needs.list-pr.outputs.prs != '[]' }}
     name: 'Dispatch PR event - #${{ matrix.data.pull_request.number }}'
     runs-on: ubuntu-latest
     needs: