Sync auto-assign-pr.yml from .github repo

Author: P4X-ng

.github/workflows/auto-assign-pr.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: [self-hosted, linux, x64, big]
     steps:
       - name: Assign Copilot (or others) to new PRs
-        uses: actions/github-script@main
+        uses: actions/github-script@v7.1.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
@@ -30,4 +30,4 @@ jobs:
               console.log(`Assigned ${assignees.join(", ")} to PR #${context.payload.pull_request.number}`);
             } else {
               console.log(`Already assigned: ${assignees.join(", ")} on PR #${context.payload.pull_request.number}`);
-            }
+            }