Fix c12s kustomization

deploy/c12s/base/letsencrypt-production-issuer.yaml

@@ -1,3 +1,4 @@
+---
 apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:

deploy/c12s/prod/contact-email.yaml

@@ -3,6 +3,7 @@ apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:
   name: letsencrypt-staging
+  namespace: infra
 spec:
   acme:
     # Email address used for ACME registration
@@ -11,7 +12,8 @@ spec:
 apiVersion: cert-manager.io/v1
 kind: Issuer
 metadata:
-  name: letsencrypt-production
+  name: letsencrypt-prod
+  namespace: infra
 spec:
   acme:
     # Email address used for ACME registration