Dev dependency tap updated to version 18.5.6

Author: renovate[bot]

package.json

@@ -27,6 +27,6 @@
     "eslint": "6.8.0",
     "eslint-config-airbnb-base": "14.0.0",
     "eslint-plugin-import": "2.20.0",
-    "tap": "14.11.0"
+    "tap": "18.5.6"
   }
 }