only run kubeconform on pull_request

.gitea/workflows/kubeconform.yml

@@ -1,12 +1,6 @@
 name: Validate Kubernetes Manifests
 
-on:
-  pull_request:
-    paths:
-      - '**.yml'
-      - '**.yaml'
-      - '!.gitea/workflows/**'
-      - '!clusters/default/system-upgrade/crd.yml'
+on: pull_request
 
 jobs:
   kubeconform: