Bump tap from 16.3.9 to 18.5.1

Bumps [tap](https://github.com/tapjs/tapjs) from 16.3.9 to 18.5.1.
- [Release notes](https://github.com/tapjs/tapjs/releases)
- [Commits](https://github.com/tapjs/tapjs/compare/v16.3.9...tap@18.5.1)

---
updated-dependencies:
- dependency-name: tap
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -33,6 +33,6 @@
   "devDependencies": {
     "lodash": "^4.17.11",
     "standard": "^17.0.0",
-    "tap": "^16.3.0"
+    "tap": "^18.5.1"
   }
 }