update sops-age namespace to cert-manager

kubernetes/apps/cert-manager/cert-manager.yaml

@@ -36,7 +36,7 @@ spec:
   decryption:
     provider: sops
     secretRef:
-      name: sops-age
+      name: cert-manager-sops-age
 ---
 apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization
@@ -56,9 +56,9 @@ spec:
     name: flux-system
   dependsOn:
     - name: clusterissuer-secrets
-      namespace: flux-system
+      namespace: cert-manager
     - name: cert-manager
-      namespace: flux-system
+      namespace: cert-manager
   postBuild:
     substituteFrom:
       - kind: Secret