Bump grpc.version from 1.19.0 to 1.23.0

Bumps `grpc.version` from 1.19.0 to 1.23.0.

Updates `grpc-core` from 1.19.0 to 1.23.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.19.0...v1.23.0)

Updates `grpc-stub` from 1.19.0 to 1.23.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.19.0...v1.23.0)

Updates `grpc-netty` from 1.19.0 to 1.23.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.19.0...v1.23.0)

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

lang/java/pom.xml

@@ -61,7 +61,7 @@
     <easymock.version>4.0.2</easymock.version>
     <hamcrest.version>2.1</hamcrest.version>
     <joda.version>2.10.1</joda.version>
-    <grpc.version>1.19.0</grpc.version>
+    <grpc.version>1.23.0</grpc.version>
     <netty-codec-http2.version>4.1.33.Final</netty-codec-http2.version>
     <zstd-jni.version>1.4.0-1</zstd-jni.version>