VOL-2265 test go.mod and vendor consistency;
Update dependencies to resolve `410 Gone` errors when fetching modules

Change-Id: If0bdbc1b6d629ce819b9fa4701c016df812f92d5
diff --git a/vendor/github.com/fullstorydev/grpcurl/go.mod b/vendor/github.com/fullstorydev/grpcurl/go.mod
index f6af37d..52a9832 100644
--- a/vendor/github.com/fullstorydev/grpcurl/go.mod
+++ b/vendor/github.com/fullstorydev/grpcurl/go.mod
@@ -2,7 +2,7 @@
 
 require (
 	github.com/golang/protobuf v1.3.1
-	github.com/jhump/protoreflect v1.4.1
+	github.com/jhump/protoreflect v1.5.0
 	golang.org/x/net v0.0.0-20190311183353-d8887717615a
 	google.golang.org/grpc v1.21.0
 )