[Minor] rat exclude dependency-reduced-pom.xml

Author: GuoQiang Li <[email protected]>

Closes #2326 from witgo/rat-excludes and squashes the following commits:

860904e [GuoQiang Li] rat exclude dependency-reduced-pom.xml

Author: witgo

.rat-excludes

@@ -58,3 +58,4 @@ dist/*
 .*iws
 logs
 .*scalastyle-output.xml
+.*dependency-reduced-pom.xml