Merge pull request #619 from charsleysa/patch-1

fix: osm boundary files

Author: albarrentine

resources/boundaries/osm/gh.yaml

@@ -2,4 +2,4 @@
   admin_level: 
     "2": "country"
     "4": "state"
-    "6:": "state_district"
+    "6": "state_district"