plugin/kubernetes: Restore k8s.io/client-go to v12.0.0 (#3209)

* bump k8s.io/client-go and azure/go-autorest

* bump azure

* bump azure 2

go.mod

@@ -4,8 +4,8 @@ go 1.12
 
 require (
 	cloud.google.com/go v0.41.0 // indirect
-	contrib.go.opencensus.io/exporter/ocagent v0.4.12 // indirect
 	github.com/Azure/azure-sdk-for-go v31.1.0+incompatible
+	github.com/Azure/go-autorest v13.0.0+incompatible // indirect
 	github.com/Azure/go-autorest/autorest v0.9.0
 	github.com/Azure/go-autorest/autorest/azure/auth v0.3.0
 	github.com/Azure/go-autorest/autorest/to v0.2.0 // indirect
@@ -29,18 +29,16 @@ require (
 	github.com/gophercloud/gophercloud v0.0.0-20190307220656-fe1ba5ce12dd // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.8.5 // indirect
 	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645
 	github.com/imdario/mergo v0.3.7 // indirect
 	github.com/jonboulle/clockwork v0.1.0 // indirect
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1
 	github.com/miekg/dns v1.1.16
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492 // indirect
 	github.com/opentracing/opentracing-go v1.1.0
 	github.com/openzipkin-contrib/zipkin-go-opentracing v0.3.5
-	github.com/openzipkin/zipkin-go-opentracing v0.3.5 // indirect
 	github.com/philhofer/fwd v1.0.0 // indirect
 	github.com/pkg/errors v0.8.1 // indirect
 	github.com/prometheus/client_golang v1.1.0
@@ -65,13 +63,12 @@ require (
 	google.golang.org/grpc v1.23.0
 	gopkg.in/DataDog/dd-trace-go.v1 v1.16.1
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	k8s.io/api v0.0.0-20190313235455-40a48860b5ab
-	k8s.io/apimachinery v0.0.0-20190313205120-d7deff9243b1
-	k8s.io/client-go v11.0.0+incompatible
+	k8s.io/api v0.0.0-20190620084959-7cf5895f2711
+	k8s.io/apimachinery v0.0.0-20190612205821-1799e75a0719
+	k8s.io/client-go v0.0.0-20190620085101-78d2af792bab
 	k8s.io/klog v0.4.0
 	k8s.io/kube-openapi v0.0.0-20190306001800-15615b16d372 // indirect
 	k8s.io/utils v0.0.0-20190529001817-6999998975a7 // indirect
-	sigs.k8s.io/yaml v1.1.0 // indirect
 )
 
 replace github.com/miekg/dns v1.1.3 => github.com/miekg/dns v1.1.16