Upgrade Google Java Format 1.22.0 -> 1.23.0 (#192)

See:
- https://github.com/google/google-java-format/releases/tag/v1.23.0
- google/google-java-format@v1.22.0...v1.23.0

pom.xml

@@ -87,7 +87,7 @@
     <dependency>
       <groupId>com.google.googlejavaformat</groupId>
       <artifactId>google-java-format</artifactId>
-      <version>1.22.0</version>
+      <version>1.23.0</version>
     </dependency>
 
     <dependency>