infra(ci): add CI action condition (#6316)

Author: yuluo-yx

.github/workflows/ci.yml

@@ -148,6 +148,7 @@ jobs:
 
   check-license-header:
     name: check-license-header
+    if: (github.repository == 'apache/shenyu')
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
@@ -161,7 +162,7 @@ jobs:
 
   requirement:
     name: build
-    if: always()
+    if: (github.repository == 'apache/shenyu') && always()
     needs:
       - build
     runs-on: ubuntu-latest