RAT-240: Update maven-compiler plugin.



git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1811444 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 5f796cd..c0229b1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -296,7 +296,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.2</version>
+          <version>3.7.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>