Deprecate amenity=lockers (typo of amentiy=locker) (#1124)

Author: kjonosm

data/deprecated.json

@@ -119,6 +119,10 @@
     "old": {"amenity": "lifeboat_station"},
     "replace": {"emergency": "water_rescue"}
   },
+  {
+    "old": {"amenity": "lockers"},
+    "replace": {"amenity": "locker"}
+  },
   {
     "old": {"amenity": "notice_board"},
     "replace": {"advertising": "board"}