Consolidate gogo/protobuf dependencies under our own protobuf package

This would make gogo/protobuf migration easier.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>

pkg/process/types.go

@@ -17,7 +17,7 @@
 package process
 
 import (
-	google_protobuf "github.com/gogo/protobuf/types"
+	google_protobuf "github.com/containerd/containerd/protobuf/types"
 )
 
 // Mount holds filesystem mount configuration