chore(package): update ava to version 3.5.0

Closes #7

Author: greenkeeper[bot]

package.json

@@ -25,7 +25,7 @@
   "devDependencies": {
     "@commitlint/cli": "^7.2.1",
     "@commitlint/config-conventional": "^7.1.2",
-    "ava": "1.0.1",
+    "ava": "3.5.0",
     "coveralls": "^3.0.2",
     "husky": "^1.2.0",
     "nyc": "^13.1.0",