[maven]: Bump com.diffplug.spotless:spotless-maven-plugin

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 3.5.1 to 3.6.0.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@maven/3.5.1...maven/3.6.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-version: 3.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -56,7 +56,7 @@
         <mockito.version>5.23.0</mockito.version>
         <slf4j.version>2.0.18</slf4j.version>
         <jacoco.version>0.8.14</jacoco.version>
-        <spotless.version>3.5.1</spotless.version>
+        <spotless.version>3.6.0</spotless.version>
     </properties>
 
     <dependencyManagement>