chore: upgrade packages

Author: 3cp

package.json

@@ -5,9 +5,9 @@
   "description": "This package.json file is not needed by 'makes'. We use package.json to setup our tests and changelog.",
   "license": "MIT",
   "devDependencies": {
-    "ava": "^2.3.0",
-    "cross-spawn": "^6.0.5",
-    "puppeteer": "^1.19.0",
+    "ava": "^2.4.0",
+    "cross-spawn": "^7.0.0",
+    "puppeteer": "^1.20.0",
     "standard-changelog": "^2.0.13",
     "vinyl": "^2.2.0"
   },