also ignore git metadata in rat
diff --git a/.ratignore b/.ratignore
index 6ee4664..8a64954 100644
--- a/.ratignore
+++ b/.ratignore
@@ -1,4 +1,6 @@
 .ratignore
+.gitattributes
+.gitignore
 src/test/resources/test-projects/**/*.txt
 src/test/resources/test-projects/**/*.xml
 src/test/resources/test-projects/**/.vlt