Adds missing namespace

gitops-kaisers-info/templates/namespaces.yaml

 kind: Namespace
 metadata:
   name: "cert-manager"
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: "sealed-secrets"
   annotations:
     argocd.argoproj.io/sync-wave: "-1"