Manually upgrade go-restful and client-go

go.mod

@@ -3,18 +3,16 @@ module github.com/microsoft/frameworkcontroller
 go 1.12
 
 require (
+	github.com/emicklei/go-restful v2.16.0+incompatible // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/google/uuid v1.1.2 // indirect
-	github.com/googleapis/gnostic v0.2.0 // indirect
 	github.com/imdario/mergo v0.3.7 // indirect
-	github.com/pkg/errors v0.8.1
-	google.golang.org/appengine v1.6.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/pkg/errors v0.9.1
 	gopkg.in/yaml.v2 v2.2.8
-	k8s.io/api v0.16.15
+	k8s.io/api v0.20.0
 	k8s.io/apiextensions-apiserver v0.16.15
-	k8s.io/apimachinery v0.16.15
-	k8s.io/client-go v0.16.15
+	k8s.io/apimachinery v0.20.0
+	k8s.io/client-go v0.20.0
 	k8s.io/code-generator v0.16.15
 	k8s.io/klog v1.0.0
-	sigs.k8s.io/yaml v1.2.0 // indirect
 )