chore: update tap requirement from ^15.0.4 to ^15.1.6

Updates the requirements on [tap](https://github.com/tapjs/node-tap) to permit the latest version.
- [Release notes](https://github.com/tapjs/node-tap/releases)
- [Commits](tapjs/tapjs@v15.0.4...v15.1.6)

---
updated-dependencies:
- dependency-name: tap
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -45,7 +45,7 @@
     "npmlog": "^6.0.0",
     "require-inject": "^1.4.4",
     "ssri": "^8.0.1",
-    "tap": "^15.0.4"
+    "tap": "^15.1.6"
   },
   "tap": {
     "check-coverage": true,