replace shop=office_supplies with shop=stationery (#477)

Author: westnordost

data/deprecated.json

@@ -1435,6 +1435,10 @@
     "old": {"shop": "moneylender"},
     "replace": {"shop": "money_lender"}
   },
+  {
+    "old": {"shop": "office_supplies"},
+    "replace": {"shop": "stationery"}
+  },
   {
     "old": {"shop": "organic"},
     "replace": {"shop": "supermarket", "organic": "only"}