Potential fix for code scanning alert no. 1: Workflow does not contain permissions (#33)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: bao-cn

.github/workflows/Feishu.yml

@@ -27,6 +27,10 @@ on:
     workflows: ["*"]
     types: [completed] 
 
+permissions:
+  contents: read
+  packages: read
+
 jobs:
   send-event:
     name: Webhook