Merge pull request #1205 from kubernetes-client/dependabot/maven/com.diffplug.spotless-spotless-maven-plugin-2.1.0

Bump spotless-maven-plugin from 2.0.3 to 2.1.0

Author: k8s-ci-robot

pom.xml

@@ -323,7 +323,7 @@
       <plugin>
         <groupId>com.diffplug.spotless</groupId>
         <artifactId>spotless-maven-plugin</artifactId>
-        <version>2.0.3</version>
+        <version>2.1.0</version>
         <configuration>
           <formats>
             <format>