chore(deps): update dependency com.diffplug.spotless:spotless-maven-plugin to v3

Author: renovate[bot]

pom.xml

@@ -11,7 +11,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spotless.version>2.46.1</spotless.version>
+        <spotless.version>3.1.0</spotless.version>
         <google-java-format.version>1.22.0</google-java-format.version>
         <version.jspecify>1.0.0</version.jspecify>
         <version.junit>6.0.1</version.junit>