*: git.monogon.dev -> source.monogon.dev

This implements T882, setting our (virtual) GOPATH to source.monogon.dev
for this repository.

Test Plan: Refactor, CI only.

X-Origin-Diff: phab/D686
GitOrigin-RevId: c5e2309089948ffc3a98e68e2e0e1cbb157d3a36
diff --git a/metropolis/node/kubernetes/pki/BUILD.bazel b/metropolis/node/kubernetes/pki/BUILD.bazel
index 029a85b..5dcfe78 100644
--- a/metropolis/node/kubernetes/pki/BUILD.bazel
+++ b/metropolis/node/kubernetes/pki/BUILD.bazel
@@ -7,7 +7,7 @@
         "certificate.go",
         "kubernetes.go",
     ],
-    importpath = "git.monogon.dev/source/nexantic.git/metropolis/node/kubernetes/pki",
+    importpath = "source.monogon.dev/metropolis/node/kubernetes/pki",
     visibility = ["//metropolis/node:__subpackages__"],
     deps = [
         "//metropolis/node:go_default_library",
diff --git a/metropolis/node/kubernetes/pki/kubernetes.go b/metropolis/node/kubernetes/pki/kubernetes.go
index e11db29..2e3490b 100644
--- a/metropolis/node/kubernetes/pki/kubernetes.go
+++ b/metropolis/node/kubernetes/pki/kubernetes.go
@@ -29,8 +29,8 @@
 	"k8s.io/client-go/tools/clientcmd"
 	configapi "k8s.io/client-go/tools/clientcmd/api"
 
-	common "git.monogon.dev/source/nexantic.git/metropolis/node"
-	"git.monogon.dev/source/nexantic.git/metropolis/pkg/logtree"
+	common "source.monogon.dev/metropolis/node"
+	"source.monogon.dev/metropolis/pkg/logtree"
 )
 
 // KubeCertificateName is an enum-like unique name of a static Kubernetes certificate. The value of the name is used