Use Kubernetes 1.21.1 toolchain

Signed-off-by: Tamal Saha <tamal@appscode.com>

go.mod

@@ -3,7 +3,7 @@ module stash.appscode.dev/cli
 go 1.15
 
 require (
-	github.com/evanphx/json-patch v4.9.0+incompatible
+	github.com/evanphx/json-patch v4.11.0+incompatible
 	github.com/json-iterator/go v1.1.10
 	github.com/kubernetes-csi/external-snapshotter/client/v4 v4.1.0
 	github.com/pkg/errors v0.9.1
@@ -14,16 +14,16 @@ require (
 	gomodules.xyz/x v0.0.5
 	k8s.io/api v0.21.1
 	k8s.io/apimachinery v0.21.1
-	k8s.io/cli-runtime v0.21.0
+	k8s.io/cli-runtime v0.21.1
 	k8s.io/client-go v0.21.1
 	k8s.io/klog/v2 v2.8.0
-	k8s.io/kubectl v0.21.0
-	kmodules.xyz/client-go v0.0.0-20210614094429-affdb80e35c8
-	kmodules.xyz/objectstore-api v0.0.0-20210504041638-b9e00ab1eab3
-	kmodules.xyz/offshoot-api v0.0.0-20210504040651-7951e351f0f5
-	kmodules.xyz/openshift v0.0.0-20210504040454-a3ddfc579bb7
-	stash.appscode.dev/apimachinery v0.14.0
-	stash.appscode.dev/stash v0.14.0
+	k8s.io/kubectl v0.21.1
+	kmodules.xyz/client-go v0.0.0-20210617233340-13d22e91512b
+	kmodules.xyz/objectstore-api v0.0.0-20210618005912-71f8a80f48f9
+	kmodules.xyz/offshoot-api v0.0.0-20210618005544-5217a24765da
+	kmodules.xyz/openshift v0.0.0-20210618001443-f2507caa512f
+	stash.appscode.dev/apimachinery v0.14.1-0.20210618025054-0cae462d7e04
+	stash.appscode.dev/stash v0.14.1-0.20210618032527-147525ef2fab
 )
 
 replace bitbucket.org/ww/goautoneg => gomodules.xyz/goautoneg v0.0.0-20120707110453-a547fc61f48d
@@ -94,8 +94,6 @@ replace github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.4.1
 
 replace github.com/imdario/mergo => github.com/imdario/mergo v0.3.5
 
-replace github.com/jetstack/cert-manager => github.com/kmodules/cert-manager v1.3.1-0.20210429172957-c5436c14ce0e
-
 replace github.com/prometheus-operator/prometheus-operator => github.com/prometheus-operator/prometheus-operator v0.47.0
 
 replace github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring => github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.47.0
@@ -112,21 +110,21 @@ replace google.golang.org/grpc => google.golang.org/grpc v1.27.1
 
 replace helm.sh/helm/v3 => github.com/kubepack/helm/v3 v3.1.0-rc.1.0.20210503022716-7e2d4913a125
 
-replace k8s.io/api => k8s.io/api v0.21.0
+replace k8s.io/api => k8s.io/api v0.21.1
 
-replace k8s.io/apimachinery => github.com/kmodules/apimachinery v0.21.1-rc.0.0.20210405112358-ad4c2289ba4c
+replace k8s.io/apimachinery => github.com/kmodules/apimachinery v0.21.2-rc.0.0.20210617231004-332981b97d2d
 
-replace k8s.io/apiserver => github.com/kmodules/apiserver v0.21.1-0.20210427013338-53dee545b83c
+replace k8s.io/apiserver => github.com/kmodules/apiserver v0.21.2-0.20210617231348-daadbf0c8d5e
 
-replace k8s.io/cli-runtime => k8s.io/cli-runtime v0.21.0
+replace k8s.io/cli-runtime => k8s.io/cli-runtime v0.21.1
 
-replace k8s.io/client-go => k8s.io/client-go v0.21.0
+replace k8s.io/client-go => k8s.io/client-go v0.21.1
 
-replace k8s.io/component-base => k8s.io/component-base v0.21.0
+replace k8s.io/component-base => k8s.io/component-base v0.21.1
 
 replace k8s.io/kube-openapi => k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7
 
-replace k8s.io/kubernetes => github.com/kmodules/kubernetes v1.22.0-alpha.0.0.20210427080452-22d2e66bae50
+replace k8s.io/kubernetes => github.com/kmodules/kubernetes v1.22.0-alpha.0.0.20210617232219-a432af45d932
 
 replace k8s.io/utils => k8s.io/utils v0.0.0-20201110183641-67b214c5f920