m/c/metroctl: automatically set up kubeconfig

When running takeownership this automatically sets up the necessary
kubeconfig configuration to make sure kubectl can access the cluster.

Change-Id: I135bfda2a13ea169a41506d3615d4e8a0bb0ea21
Reviewed-on: https://review.monogon.dev/c/monogon/+/818
Tested-by: Jenkins CI
Reviewed-by: Mateusz Zalega <mateusz@monogon.tech>
diff --git a/metropolis/cli/metroctl/BUILD.bazel b/metropolis/cli/metroctl/BUILD.bazel
index 4b43c42..827a7ae 100644
--- a/metropolis/cli/metroctl/BUILD.bazel
+++ b/metropolis/cli/metroctl/BUILD.bazel
@@ -27,7 +27,9 @@
         "@com_github_adrg_xdg//:xdg",
         "@com_github_spf13_cobra//:cobra",
         "@io_k8s_apimachinery//pkg/apis/meta/v1:meta",
-        "@io_k8s_client_go//pkg/apis/clientauthentication/v1beta1",
+        "@io_k8s_client_go//pkg/apis/clientauthentication/v1:clientauthentication",
+        "@io_k8s_client_go//tools/clientcmd",
+        "@io_k8s_client_go//tools/clientcmd/api",
         "@org_golang_google_grpc//:go_default_library",
     ],
 )