chore(package): update tap to version 14.6.4

Closes #9

Author: greenkeeper[bot]

package.json

@@ -13,7 +13,7 @@
   "dependencies": {},
   "devDependencies": {
     "coveralls": "^2.11.15",
-    "tap": "^10.3.2"
+    "tap": "^14.6.4"
   },
   "keywords": [
     "Rust",