treewide: switch to gomod and bump everything

This switches version resolution from fietsje to gomod and updates
all Go dependencies. It also bumps rules_go (required by gVisor) and
switches the Gazelle naming convention from go_default_xxx to the
standard Bazel convention of the default target having the package
name.

Since Kubernetes dropped upstream Bazel support and doesn't check in
all generated files I manually pregenerated the OpenAPI spec. This
should be fixed, but because of the already-huge scope of this CL
and the rebase complexity this is not in here.

Change-Id: Iec8ea613d06946882426c2f9fad5bda7e8aaf833
Reviewed-on: https://review.monogon.dev/c/monogon/+/639
Reviewed-by: Sergiusz Bazanski <serge@monogon.tech>
Reviewed-by: Leopold Schabel <leo@nexantic.com>
diff --git a/metropolis/node/kubernetes/hyperkube/BUILD b/metropolis/node/kubernetes/hyperkube/BUILD
index 3b5deb3..ed27296 100644
--- a/metropolis/node/kubernetes/hyperkube/BUILD
+++ b/metropolis/node/kubernetes/hyperkube/BUILD
@@ -2,27 +2,27 @@
 load("@//third_party/go:kubernetes_version_def.bzl", "version_x_defs")
 
 go_library(
-    name = "go_default_library",
+    name = "hyperkube_lib",
     srcs = ["main.go"],
     importpath = "source.monogon.dev/metropolis/node/kubernetes/hyperkube",
     visibility = ["//visibility:private"],
     deps = [
-        "@com_github_spf13_cobra//:go_default_library",
-        "@com_github_spf13_pflag//:go_default_library",
-        "@io_k8s_component_base//cli/flag:go_default_library",
-        "@io_k8s_component_base//logs:go_default_library",
-        "@io_k8s_component_base//metrics/prometheus/restclient:go_default_library",
-        "@io_k8s_component_base//metrics/prometheus/version:go_default_library",
-        "@io_k8s_kubernetes//cmd/kube-apiserver/app:go_default_library",
-        "@io_k8s_kubernetes//cmd/kube-controller-manager/app:go_default_library",
-        "@io_k8s_kubernetes//cmd/kube-scheduler/app:go_default_library",
-        "@io_k8s_kubernetes//cmd/kubelet/app:go_default_library",
+        "@com_github_spf13_cobra//:cobra",
+        "@com_github_spf13_pflag//:pflag",
+        "@io_k8s_component_base//cli/flag",
+        "@io_k8s_component_base//logs",
+        "@io_k8s_component_base//metrics/prometheus/restclient",
+        "@io_k8s_component_base//metrics/prometheus/version",
+        "@io_k8s_kubernetes//cmd/kube-apiserver/app",
+        "@io_k8s_kubernetes//cmd/kube-controller-manager/app",
+        "@io_k8s_kubernetes//cmd/kube-scheduler/app",
+        "@io_k8s_kubernetes//cmd/kubelet/app",
     ],
 )
 
 go_binary(
     name = "hyperkube",
-    embed = [":go_default_library"],
+    embed = [":hyperkube_lib"],
     pure = "on",
     visibility = ["//metropolis/node:__pkg__"],
     x_defs = version_x_defs(),