Upgrade Google Java Format 1.28.0 -> 1.30.0

See:
- https://github.com/google/google-java-format/releases/tag/v1.30.0
- https://github.com/google/google-java-format/releases/tag/v1.29.0

Author: Picnic-DevPla-Bot

pom.xml

@@ -336,7 +336,7 @@
             <dependency>
                 <groupId>com.google.googlejavaformat</groupId>
                 <artifactId>google-java-format</artifactId>
-                <version>1.28.0</version>
+                <version>1.30.0</version>
             </dependency>
             <dependency>
                 <groupId>com.google.guava</groupId>