Bump com.google.protobuf from 0.8.17 to 0.9.4 (#4899)

* Bump com.google.protobuf from 0.8.17 to 0.9.4

Bumps com.google.protobuf from 0.8.17 to 0.9.4.

---
updated-dependencies:
- dependency-name: com.google.protobuf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Add checkstyle exclusion to fix ci

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Pil0tXia <xiatian@apache.org>

build.gradle

@@ -103,10 +103,11 @@ allprojects {
     }
 
     checkstyleMain.exclude('**/org/apache/eventmesh/client/grpc/protos**')
-                  .exclude('**/org/apache/eventmesh/common/protocol/grpc/cloudevents**')
-                  .exclude('**/org/apache/eventmesh/connector/openfunction/client/EventMeshGrpcService**')
-                  .exclude('**/org/apache/eventmesh/connector/openfunction/client/CallbackServiceGrpc**')
-                  .exclude('**/org/apache/eventmesh/connector/jdbc/antlr**')
+            .exclude('**/org/apache/eventmesh/common/protocol/grpc/cloudevents**')
+            .exclude('**/org/apache/eventmesh/common/protocol/grpc/protos/**')
+            .exclude('**/org/apache/eventmesh/connector/openfunction/client/EventMeshGrpcService**')
+            .exclude('**/org/apache/eventmesh/connector/openfunction/client/CallbackServiceGrpc**')
+            .exclude('**/org/apache/eventmesh/connector/jdbc/antlr**')
 
     dependencies {
         repositories {

eventmesh-protocol-plugin/eventmesh-protocol-grpc/build.gradle

@@ -17,7 +17,7 @@
 
 plugins {
     id 'java'
-    id 'com.google.protobuf' version '0.8.17'
+    id 'com.google.protobuf' version '0.9.4'
 }
 
 repositories {