gRPC migration update

Change-Id: Icdd1a824948fa994cd36bd121c962f5ecf74e3cf
diff --git a/vendor/golang.org/x/sys/unix/zsysctl_openbsd_arm64.go b/vendor/golang.org/x/sys/unix/zsysctl_openbsd_arm64.go
index ba4304f..154b57a 100644
--- a/vendor/golang.org/x/sys/unix/zsysctl_openbsd_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsysctl_openbsd_arm64.go
@@ -1,6 +1,7 @@
 // go run mksysctl_openbsd.go
 // Code generated by the command above; DO NOT EDIT.
 
+//go:build arm64 && openbsd
 // +build arm64,openbsd
 
 package unix