Update dependency com.github.ekryd.sortpom:sortpom-maven-plugin to v4

Author: renovate[bot]

pom.xml

@@ -107,7 +107,7 @@
       <plugin>
         <groupId>com.github.ekryd.sortpom</groupId>
         <artifactId>sortpom-maven-plugin</artifactId>
-        <version>3.2.1</version>
+        <version>4.0.0</version>
         <executions>
           <execution>
             <goals>