Move Maven Timeline extension from .mvn/extensions.xml to pom.xml

Author: jeanbisutti

.mvn/extensions.xml

@@ -175,6 +175,13 @@
     </dependencies>
 
     <build>
+        <extensions>
+            <extension>
+                <groupId>io.takari.maven</groupId>
+                <artifactId>maven-timeline</artifactId>
+                <version>2.0.4</version>
+            </extension>
+        </extensions>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>