Bump com.diffplug.spotless:spotless-maven-plugin from 3.0.0 to 3.1.0 (#1527)

Author: dependabot[bot]

pom.xml

@@ -84,7 +84,7 @@
       <plugin>
         <groupId>com.diffplug.spotless</groupId>
         <artifactId>spotless-maven-plugin</artifactId>
-        <version>3.0.0</version>
+        <version>3.1.0</version>
         <configuration>
           <pom>
             <sortPom>