Upgrade ava 1.2.0 -> 1.2.1

Author: ehmicky

package-lock.json

@@ -62,7 +62,7 @@
     "@babel/cli": "^7.2.3",
     "@babel/plugin-transform-runtime": "^7.2.0",
     "@babel/preset-env": "^7.3.1",
-    "ava": "^1.2.0",
+    "ava": "^1.2.1",
     "cross-fetch": "^3.0.1",
     "eslint": "^5.13.0",
     "eslint-config-prettier": "^4.0.0",