chore(release): 3.1.0 [skip ci]

# [3.1.0](3.0.0...3.1.0) (2022-04-04)

### Features

* **USA:** Resolve addreses in US format ([76aff0c](76aff0c))

Author: semantic-release-bot

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@ideal-postcodes/core-interface",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "Interface specification for javascript based API Clients to api.ideal-postcodes.co.uk",
   "author": {
     "name": "Ideal Postcodes",