repoman: Add ruby18 warning for deprecated ruby target
diff --git a/bin/repoman b/bin/repoman
index 17a4ef0..feaec5c 100755
--- a/bin/repoman
+++ b/bin/repoman
@@ -489,6 +489,7 @@
 
 ruby_deprecated = frozenset([
 	"ruby_targets_ree18",
+	"ruby_targets_ruby18",
 ])
 
 metadata_xml_encoding = 'UTF-8'