fix: use sops filestatus for discovering non-encrypted sops files

Fixes: https://github.com/onedr0p/cluster-template/issues/1539

.taskfiles/Sops/Taskfile.yaml

@@ -18,7 +18,7 @@ tasks:
           file: "{{.ITEM}}"
     vars:
       file:
-        sh: find "{{.KUBERNETES_DIR}}" -type f -name "*.sops.*" -exec grep -L "ENC\[AES256_GCM" {} \;
+        sh: find "{{.KUBERNETES_DIR}}" -type f -name "*.sops.*" | xargs -I {} sh -c 'sops filestatus {} | jq --exit-status ".encrypted == false" > /dev/null && echo {}'
 
   .encrypt-file:
     internal: true