build(deps): bump k8s.io/api from 0.20.4 to 0.23.6

go.mod

@@ -13,7 +13,6 @@ require (
 	github.com/coreos/etcd v3.4.14+incompatible
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
 	github.com/dnaeon/go-vcr v1.1.0 // indirect
-	github.com/googleapis/gnostic v0.4.2 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.14.5 // indirect
 	github.com/imdario/mergo v0.3.7 // indirect
@@ -25,14 +24,13 @@ require (
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20200427203606-3cfed13b9966 // indirect
 	go.uber.org/zap v1.15.0 // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
-	golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a // indirect
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e
 	google.golang.org/api v0.20.0
 	google.golang.org/appengine v1.6.6 // indirect
 	honnef.co/go/tools v0.0.1-2020.1.4 // indirect
-	k8s.io/api v0.20.4
+	k8s.io/api v0.23.6
 	k8s.io/apiextensions-apiserver v0.20.4
-	k8s.io/apimachinery v0.20.4
+	k8s.io/apimachinery v0.23.6
 	k8s.io/client-go v0.20.4
 )