Update Lineage config to point to the new skeleton repo

Author: jsf9k

.github/lineage.yml

@@ -1,5 +1,5 @@
 ---
 lineage:
   skeleton:
-    remote-url: https://github.com/cisagov/skeleton-generic.git
+    remote-url: https://github.com/cisagov/skeleton-action-composite.git
 version: '1'