update kustomize file

Author: ValClarkson

config/singlenamespace/kustomization.yaml

@@ -0,0 +1,23 @@
+kind: Kustomization
+
+namespace: postgres-operator
+
+labels:
+- includeSelectors: false
+  includeTemplates: true
+  pairs:
+    app.kubernetes.io/name: pgo
+    app.kubernetes.io/version: 5.8.6
+- includeSelectors: true
+  includeTemplates: true
+  pairs:
+    postgres-operator.crunchydata.com/control-plane: postgres-operator
+
+resources:
+- ../crd
+- ../rbac/namespace
+- ../manager
+
+components:
+- ../components/images-by-tag
+- ../components/single-namespace