Merge pull request #264 from rabbitmq/dependabot/maven/com.diffplug.spotless-spotless-maven-plugin-2.30.0

Bump spotless-maven-plugin from 2.29.0 to 2.30.0

Author: michaelklishin

pom.xml

@@ -88,7 +88,7 @@
     <asciidoctorj.diagram.version>2.2.3</asciidoctorj.diagram.version>
     <buildnumber.plugin.version>1.4</buildnumber.plugin.version>
     <jmh.version>1.36</jmh.version>
-    <spotless.version>2.29.0</spotless.version>
+    <spotless.version>2.30.0</spotless.version>
     <google-java-format.version>1.15.0</google-java-format.version>
     <jacoco.version>0.8.8</jacoco.version>
     <!-- to sign artifacts when releasing -->