cmd/k8s-operator: add Connector CRD to Helm chart and static manifests (#10775)

cmd/k8s-operator: add CRD to chart and static manifest

Add functionality to insert CRD to chart at package time.
Insert CRD to static manifests as this is where they are currently consumed from.

Signed-off-by: Irbe Krumina <irbe@tailscale.com>

cmd/k8s-operator/deploy/chart/values.yaml

@@ -9,11 +9,15 @@ oauth: {}
   # clientSecret: ""
 
 # enableConnector determines whether the operator should reconcile
-# connector.tailscale.com custom resources. If set to true you have to install
-# connector CRD in a separate step.
-# You can do so by running 'kubectl apply -f ./cmd/k8s-operator/deploy/crds'.
+# connector.tailscale.com custom resources.
 enableConnector: "false"
 
+# installCRDs determines whether tailscale.com CRDs should be installed as part
+# of chart installation. We do not use Helm's CRD installation mechanism as that
+# does not allow for upgrading CRDs.
+# https://helm.sh/docs/chart_best_practices/custom_resource_definitions/
+installCRDs: "true"
+
 operatorConfig:
   image:
     repo: tailscale/k8s-operator