Update checkstyle dependency

Author: patrickfav

pom.xml

@@ -51,6 +51,12 @@
 
     <build>
         <plugins>
+            <!-- check for updates with mvn versions:display-dependency-updates -->
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>versions-maven-plugin</artifactId>
+                <version>2.7</version>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
@@ -71,7 +77,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>8.11</version>
+                        <version>8.16</version>
                     </dependency>
                 </dependencies>
             </plugin>