ci(github): improve workflow auto-assign.yml

Signed-off-by: Mark <remarkablemark@users.noreply.github.com>

Author: remarkablemark

.github/workflows/auto-assign.yml

@@ -4,7 +4,7 @@ on: pull_request_target
 jobs:
   auto-assign:
     runs-on: ubuntu-latest
-    if: github.actor != 'dependabot[bot]' && github.event.action == 'opened'
+    if: endsWith(github.actor, '[bot]') == false && github.event.action == 'opened'
 
     steps:
       - name: Auto assign