Upgrade protobuf version to 3.11.4 (#7998)

Signed-off-by: Nxiaolong.ran <rxl@apache.org>

### Modifications

- Upgrade `protobuf` version to `3.11.4`

pom.xml

@@ -122,8 +122,8 @@ flexible messaging model and an intuitive client API.</description>
     <dockerfile-maven.version>1.4.13</dockerfile-maven.version>
     <typetools.version>0.5.0</typetools.version>
     <protobuf2.version>2.4.1</protobuf2.version>
-    <protobuf3.version>3.5.1</protobuf3.version>
-    <protoc3.version>3.5.1-1</protoc3.version>
+    <protobuf3.version>3.11.4</protobuf3.version>
+    <protoc3.version>3.11.4</protoc3.version>
     <grpc.version>1.18.0</grpc.version>
     <protoc-gen-grpc-java.version>1.12.0</protoc-gen-grpc-java.version>
     <gson.version>2.8.2</gson.version>