🔍 test: Upgrade ava.

Author: make-github-pseudonymous-again

package.json

@@ -84,7 +84,7 @@
     "@babel/polyfill": "7.11.5",
     "@babel/preset-env": "7.11.5",
     "@babel/register": "7.11.5",
-    "ava": "3.8.2",
+    "ava": "3.12.1",
     "coveralls": "3.1.0",
     "esdoc": "1.1.0",
     "esdoc-inject-script-plugin": "1.0.0",
@@ -125,6 +125,7 @@
     "esdoc": "esdoc",
     "prepare": "npm run build",
     "release": "np",
-    "test": "ava"
+    "test": "ava",
+    "lint": "true"
   }
 }