Bump com.diffplug.spotless:spotless-maven-plugin from 3.4.0 to 3.5.0

Author: kostis

pom.xml

@@ -191,7 +191,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.4.0</version>
+                <version>3.5.0</version>
                 <configuration>
                     <formats>
                         <format>