Update dependency com.github.ekryd.sortpom:sortpom-maven-plugin to v3.4.1

Author: renovate[bot]

dropbox/pom.xml

@@ -64,7 +64,7 @@
             <plugin>
                 <groupId>com.github.ekryd.sortpom</groupId>
                 <artifactId>sortpom-maven-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.1</version>
                 <configuration>
                     <createBackupFile>false</createBackupFile>
                     <encoding>${project.build.sourceEncoding}</encoding>