feat: exchange tokens for the robot

Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com>

.github/workflows/auto-invite.yml

@@ -16,6 +16,7 @@ jobs:
         uses: peter-evans/create-or-update-comment@v1
         with:
           issue-number: ${{ github.event.issue.number }}
+          token: "${{ secrets.BOT_GITHUB_TOKEN }}"
           body: |
             We value close connections with our users, developers, and contributors here at Open-IM-Server. With a large community and maintainer team, we're always here to help and support you. Whether you're looking to join our community or have any questions or suggestions, we welcome you to get in touch with us.
 
@@ -32,6 +33,7 @@ jobs:
         uses: peter-evans/close-issue@v3
         with:
           issue-number: ${{ github.event.issue.number }}
-          comment: auto-closing issue, if you still need help please reopen the issue or ask for help in the community above
+          comment: 🤖 Auto-closing issue, if you still need help please reopen the issue or ask for help in the community above
+          token: "${{ secrets.BOT_GITHUB_TOKEN }}"
           labels: |
             triage/accepted