[bazel] Bump k8s rules to 0.6

Author: shs96c

WORKSPACE

@@ -220,9 +220,9 @@ container_pull(
 
 http_archive(
     name = "io_bazel_rules_k8s",
-    sha256 = "d91aeb17bbc619e649f8d32b65d9a8327e5404f451be196990e13f5b7e2d17bb",
-    strip_prefix = "rules_k8s-0.4",
-    urls = ["https://github.com/bazelbuild/rules_k8s/releases/download/v0.4/rules_k8s-v0.4.tar.gz"],
+    sha256 = "51f0977294699cd547e139ceff2396c32588575588678d2054da167691a227ef",
+    strip_prefix = "rules_k8s-0.6",
+    url = "https://github.com/bazelbuild/rules_k8s/archive/v0.6.tar.gz",
 )
 
 load("@io_bazel_rules_k8s//k8s:k8s.bzl", "k8s_repositories")