주기적 gitaction 호출 변경 | permissions 누락건 추가

Author: KoEonYack

.github/workflows/actions_activate.yml

@@ -7,6 +7,7 @@ jobs:
   keepalive:
     name: GitHub Workflow Immortality
     runs-on: ubuntu-latest
+    permissions: {}
     steps:
       - name: Keep cronjob based triggers of GitHub workflows alive
         uses: PhrozenByte/gh-workflow-immortality@v1