chore: lgtm (#8048)

* chore: lgtm

* perf: add lgtm

Co-authored-by: ibuler <ibuler@qq.com>

.github/workflows/lgtm.yml

@@ -1,4 +1,5 @@
 name: Send LGTM reaction
+
 on:
   issue_comment:
     types: [created]
@@ -13,3 +14,5 @@ jobs:
       - uses: micnncim/action-lgtm-reaction@master
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          trigger: '["^.?lgtm$"]'