[ci skip] platform: add ndots=2 dns_config to all deployment pod specs

Prevents Terraform from reverting the Kyverno inject-ndots mutation
on every apply. 23 pod specs across 19 platform module files.

stacks/platform/modules/mailserver/main.tf

@@ -413,6 +413,12 @@ resource "kubernetes_deployment" "mailserver" {
           name = "var-run-dovecot"
           empty_dir {}
         }
+        dns_config {
+          option {
+            name  = "ndots"
+            value = "2"
+          }
+        }
       }
     }
   }

stacks/platform/modules/mailserver/roundcubemail.tf

@@ -159,6 +159,12 @@ resource "kubernetes_deployment" "roundcubemail" {
             server = var.nfs_server
           }
         }
+        dns_config {
+          option {
+            name  = "ndots"
+            value = "2"
+          }
+        }
       }
     }
   }