*: 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/core/debug_service.go b/metropolis/node/core/debug_service.go
index 6866479..62a9a8a 100644
--- a/metropolis/node/core/debug_service.go
+++ b/metropolis/node/core/debug_service.go
@@ -25,12 +25,12 @@
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
-	common "git.monogon.dev/source/nexantic.git/metropolis/node"
-	"git.monogon.dev/source/nexantic.git/metropolis/node/core/cluster"
-	"git.monogon.dev/source/nexantic.git/metropolis/node/core/consensus/ca"
-	"git.monogon.dev/source/nexantic.git/metropolis/node/kubernetes"
-	"git.monogon.dev/source/nexantic.git/metropolis/pkg/logtree"
-	apb "git.monogon.dev/source/nexantic.git/metropolis/proto/api"
+	common "source.monogon.dev/metropolis/node"
+	"source.monogon.dev/metropolis/node/core/cluster"
+	"source.monogon.dev/metropolis/node/core/consensus/ca"
+	"source.monogon.dev/metropolis/node/kubernetes"
+	"source.monogon.dev/metropolis/pkg/logtree"
+	apb "source.monogon.dev/metropolis/proto/api"
 )
 
 const (