[openaddresses] adding Coffey County, KS

resources/parser/data_sets/openaddresses.yaml

@@ -2806,6 +2806,7 @@ countries:
                     - filename: city_of_lenexa.csv
                     - filename: city_of_olathe.csv
                     - filename: city_of_salina.csv
+                    - filename: coffey_county.csv
                     - filename: cowley_county.csv
                     - filename: crawford_county.csv
                     - filename: doniphan_county.csv