Bump com.diffplug.spotless:spotless-maven-plugin from 3.3.0 to 3.4.0 (#46)

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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -64,7 +64,7 @@
     <cyclonedx-maven-plugin.version>2.9.1</cyclonedx-maven-plugin.version>
     <jreleaser-maven-plugin.version>1.23.0</jreleaser-maven-plugin.version>
     <versions-maven-plugin.version>2.21.0</versions-maven-plugin.version>
-    <spotless-maven-plugin.version>3.3.0</spotless-maven-plugin.version>
+    <spotless-maven-plugin.version>3.4.0</spotless-maven-plugin.version>
   </properties>
 
   <dependencyManagement>