Makefile: Update dependencies

Author: Roman Volosatovs

Makefile

@@ -8,7 +8,7 @@ GRPC_VERSION ?= 1.18.0
 GRPC_WEB_VERSION ?= 1.0.3
 PROTOBUF_C_VERSION ?= 1.3.1
 PROTOC_GEN_DOC_VERSION ?= 1.1.0
-PROTOC_GEN_FIELDMASK_VERSION ?= 0.0.6
+PROTOC_GEN_FIELDMASK_VERSION ?= 0.0.7
 PROTOC_GEN_GO_VERSION ?= 1.2.0
 PROTOC_GEN_GOGO_VERSION ?= 1.2.0
 PROTOC_GEN_GOGOTTN_VERSION ?= 3.0.11