Merge pull request #464 from buschlab/renovate/org.apache.maven.plugins-maven-checkstyle-plugin-3.x

Update dependency org.apache.maven.plugins:maven-checkstyle-plugin to v3.4.0

Author: nr23730

pom.xml

@@ -117,7 +117,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <dependencies>
                   <dependency>
                     <groupId>com.puppycrawl.tools</groupId>