Bump grpc-protobuf from 1.13.1 to 1.23.0

Bumps [grpc-protobuf](https://github.com/grpc/grpc-java) from 1.13.1 to 1.23.0.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.13.1...v1.23.0)

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

pom.xml

@@ -81,7 +81,7 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-protobuf</artifactId>
-            <version>1.13.1</version>
+            <version>1.23.0</version>
         </dependency>
         <dependency>
             <groupId>io.grpc</groupId>