Update dependency tap to v15.1.6

Author: renovate-bot

package.json

@@ -52,6 +52,6 @@
     "eslint-plugin-prettier": "4.0.0",
     "prettier": "2.4.1",
     "rollup": "2.57.0",
-    "tap": "15.1.2"
+    "tap": "15.1.6"
   }
 }