Merge pull request #1099 from rabbitmq/dependabot/maven/5.x.x-stable/com.diffplug.spotless-spotless-maven-plugin-2.39.0

Bump com.diffplug.spotless:spotless-maven-plugin from 2.38.0 to 2.39.0

Author: acogoluegnes

pom.xml

@@ -91,7 +91,7 @@
     <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
     <checksum.maven.plugin.version>1.11</checksum.maven.plugin.version>
     <jshell-maven-plugin.version>1.4</jshell-maven-plugin.version>
-    <spotless.version>2.38.0</spotless.version>
+    <spotless.version>2.39.0</spotless.version>
     <google-java-format.version>1.17.0</google-java-format.version>
     <!--
     These groovy scripts are used later in this POM file to generate