update fmt-maven-plugin to latest version

Author: Eugen Freiter

pom.xml

@@ -129,7 +129,7 @@
 			<plugin>
 				<groupId>com.coveo</groupId>
 				<artifactId>fmt-maven-plugin</artifactId>
-				<version>2.6.0</version>
+				<version>2.9</version>
 				<executions>
 					<execution>
 						<goals>