chore: update ava version

Author: jeremenichelli

package.json

@@ -36,7 +36,7 @@
   "devDependencies": {
     "@commitlint/cli": "^7.6.1",
     "@commitlint/config-conventional": "^7.6.0",
-    "ava": "^1.4.1",
+    "ava": "^2.0.0",
     "esm": "^3.2.25",
     "husky": "^2.3.0",
     "lint-staged": "^8.1.7",