Update actions

Author: n0900

.github/workflows/guard-main.yml

@@ -7,7 +7,7 @@ jobs:
     if: github.head_ref != '${{ vars.DEV_BRANCH }}'
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/github-script@v6'
+      - uses: 'actions/github-script@v7'
         with:
           script: |
             try {