Added .asf.yaml to be ignored by apache-rat-plguin.
diff --git a/pom.xml b/pom.xml
index f4a7b9d..10a26dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -556,6 +556,7 @@
           <artifactId>apache-rat-plugin</artifactId>
           <configuration>
             <excludes>
+              <exclude>.asf.yaml</exclude>
               <exclude>src/test/resources*/**</exclude>
               <exclude>src/test/projects/**</exclude>
               <exclude>src/test/remote-repo/**</exclude>