Bump tap from 18.8.0 to 21.0.1 (#10)

Bumps [tap](https://github.com/tapjs/tapjs) from 18.8.0 to 21.0.1.
- [Release notes](https://github.com/tapjs/tapjs/releases)
- [Commits](https://github.com/tapjs/tapjs/compare/[email protected]@21.0.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -21,7 +21,7 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.0.0",
     "prettier": "^3.0.0",
-    "tap": "^18.5.0"
+    "tap": "^21.0.1"
   },
   "files": [
     "bin.js"