fix(deps): update dependency io.grpc:grpc-protobuf to v1.51.1

Author: renovate-bot

java-common-protos/grpc-google-common-protos/build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
   compile 'io.grpc:grpc-stub:1.51.1'
-  compile 'io.grpc:grpc-protobuf:1.51.0'
+  compile 'io.grpc:grpc-protobuf:1.51.1'
   compile project(':proto-google-common-protos')
 }
 

java-iam/grpc-google-iam-v1/build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
   compile 'io.grpc:grpc-stub:1.51.1'
-  compile 'io.grpc:grpc-protobuf:1.51.0'
+  compile 'io.grpc:grpc-protobuf:1.51.1'
   compile project(':proto-google-iam-v1')
 }