feat: update labeler's event and add github-token

Author: TaiYou-TW

.github/workflows/label.yml

@@ -1,6 +1,6 @@
 name: Automatic PR Labeler
 on:
-    pull_request:
+    pull_request_target:
         types: [opened, reopened, edited]
 
 jobs:
@@ -10,6 +10,7 @@ jobs:
             - name: Label PR
               uses: actions/github-script@v5
               with:
+                  github-token: ${{ secrets.PAT }}
                   script: |
                       const { owner, repo, number: issue_number } = context.issue;
                       const pr = await github.rest.pulls.get({ owner, repo, pull_number: issue_number });