chore(package): update ava to version 1.3.1

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
     "registry-auth-token": "^3.3.1"
   },
   "devDependencies": {
-    "ava": "^1.0.1",
+    "ava": "^1.3.1",
     "clear-module": "^3.0.0",
     "codecov": "^3.0.0",
     "commitizen": "^3.0.0",