update dependencies

go.mod

@@ -3,12 +3,17 @@ module github.com/anthhub/forwarder
 go 1.16
 
 require (
+	github.com/coreos/etcd v3.3.13+incompatible // indirect
 	github.com/gin-gonic/gin v1.7.3
+	github.com/go-openapi/spec v0.19.5 // indirect
+	github.com/go-openapi/strfmt v0.19.5 // indirect
+	github.com/go-openapi/validate v0.19.8 // indirect
 	github.com/golang/glog v0.0.0-20210429001901-424d2337a529
+	github.com/markbates/pkger v0.17.1 // indirect
 	github.com/namsral/flag v1.7.4-pre
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	k8s.io/api v0.21.3
-	k8s.io/apimachinery v0.21.3
-	k8s.io/cli-runtime v0.21.3
-	k8s.io/client-go v0.21.3
+	k8s.io/api v0.23.5
+	k8s.io/apimachinery v0.23.5
+	k8s.io/cli-runtime v0.23.5
+	k8s.io/client-go v0.23.5
 )