bump k8s to 1.22

This PR bumps k8s modules to 1.22.0

Author: atoato88

examples/guestbook-operator/go.mod

@@ -4,8 +4,8 @@ go 1.13
 
 require (
 	github.com/go-logr/logr v0.4.0
-	k8s.io/apimachinery v0.21.1
-	k8s.io/client-go v0.21.1
+	k8s.io/apimachinery v0.22.0
+	k8s.io/client-go v0.22.0
 	sigs.k8s.io/controller-runtime v0.9.0
 	sigs.k8s.io/kubebuilder-declarative-pattern v0.0.0
 )