Update packages for 2021

Author: TimothyGu

package.json

@@ -12,10 +12,10 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "snazzy": "^8.0.0",
-    "standard": "^14.2.0",
+    "snazzy": "^9.0.0",
+    "standard": "^16.0.3",
     "tap-spec": "^5.0.0",
-    "tape": "^4.11.0"
+    "tape": "^5.3.1"
   },
   "homepage": "https://cs253.stanford.edu",
   "keywords": [],