chore(package): update ava to version 1.2.0

Closes #24

Author: greenkeeper[bot]

package.json

@@ -9,7 +9,7 @@
   },
   "bugs": "https://github.com/static-dev/spike-page-id/issues",
   "devDependencies": {
-    "ava": "^0.24.0",
+    "ava": "^1.2.0",
     "coveralls": "^3.0.0",
     "nyc": "^11.4.1",
     "reshape-standard": "^3.3.0",