build(deps-dev): Bump com.diffplug.spotless:spotless-maven-plugin

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@lib/3.3.0...maven/3.4.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-version: 3.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

sms-gateway/pom.xml

@@ -17,7 +17,7 @@
     <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
     <skipITs>true</skipITs>
     <surefire-plugin.version>3.5.5</surefire-plugin.version>
-    <spotless.plugin.version>3.3.0</spotless.plugin.version>
+    <spotless.plugin.version>3.4.0</spotless.plugin.version>
     <spotless.google.java.format.version>1.28.0</spotless.google.java.format.version>
 
     <quarkus.platform.version>3.32.4</quarkus.platform.version>