gRPC migration update

Change-Id: Icdd1a824948fa994cd36bd121c962f5ecf74e3cf
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_openbsd_arm64.go b/vendor/golang.org/x/sys/unix/zsysnum_openbsd_arm64.go
index fe2b689..32eec5e 100644
--- a/vendor/golang.org/x/sys/unix/zsysnum_openbsd_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsysnum_openbsd_arm64.go
@@ -1,6 +1,7 @@
 // go run mksysnum.go https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build arm64 && openbsd
 // +build arm64,openbsd
 
 package unix