installer: welcome use new fluxcd api version
diff --git a/core/installer/welcome/env-tmpl/config-kustomization.yaml b/core/installer/welcome/env-tmpl/config-kustomization.yaml
index d76bf0f..2bf55eb 100644
--- a/core/installer/welcome/env-tmpl/config-kustomization.yaml
+++ b/core/installer/welcome/env-tmpl/config-kustomization.yaml
@@ -1,4 +1,4 @@
-apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
+apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization
 metadata:
   name: {{ .Name }}