[MENFORCER-392] Upgrade enforcer to 3.0.0 / extra-enforcer-rules 1.4 (#112)

diff --git a/pom.xml b/pom.xml
index 8b76b2d..08b6b84 100644
--- a/pom.xml
+++ b/pom.xml
@@ -212,11 +212,12 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
+        <version>3.0.0</version>
         <dependencies>
           <dependency>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>extra-enforcer-rules</artifactId>
-            <version>1.3</version>
+            <version>1.4</version>
           </dependency>
         </dependencies>
       </plugin>