chore(karpenter): tidy protobuf module classification

Author: chokevin

karpenter/go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/samber/lo v1.52.0
 	golang.org/x/sync v0.19.0
 	google.golang.org/grpc v1.79.1
+	google.golang.org/protobuf v1.36.11
 	k8s.io/api v0.35.1
 	k8s.io/apimachinery v0.35.1
 	k8s.io/client-go v0.35.1
@@ -174,7 +175,6 @@ require (
 	golang.org/x/time v0.14.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.5.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
-	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/dnaeon/go-vcr.v3 v3.2.0 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect