Bump com.diffplug.spotless:spotless-maven-plugin in /lang/java

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 2.27.2 to 2.43.0.
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@maven/2.27.2...lib/2.43.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -62,7 +62,7 @@
     <maven-source-plugin.version>3.3.0</maven-source-plugin.version>
     <maven-toolchains-plugin.version>3.1.0</maven-toolchains-plugin.version>
     <plugin-tools-javadoc.version>3.5.2</plugin-tools-javadoc.version>
-    <spotless-maven-plugin.version>2.42.0</spotless-maven-plugin.version>
+    <spotless-maven-plugin.version>2.43.0</spotless-maven-plugin.version>
     <maven-surefire-plugin.version>3.2.5</maven-surefire-plugin.version>
 
     <!-- Pin output timestamp to make the Java build reproducible -->