Update depedencies (#36)

Author: andywer

package-lock.json

@@ -35,11 +35,11 @@
     "envify": "^4.1.0",
     "get-port": "^4.0.0",
     "meow": "^5.0.0",
-    "minimist": "^1.2.0",
+    "minimist": "^1.2.5",
     "mkdirp": "^0.5.1",
     "nanoid": "^2.0.3",
     "ora": "^3.0.0",
-    "puppeteer-core": "^1.10.0",
+    "puppeteer-core": "^1.20.0",
     "rimraf": "^2.6.2",
     "serve-handler": "^6.0.0",
     "sourcemapped-stacktrace": "^1.1.9",