fix: migrate from tap to node:test and c8 (#258)

Author: dancastillo

.taprc

@@ -11,7 +11,7 @@
     "lint:fix": "standard --fix | snazzy",
     "test": "npm run lint && npm run unit && npm run typescript",
     "test:ci": "npm run lint && npm run coverage && npm run typescript",
-    "unit": "tap",
+    "unit": "c8 node --test",
     "unit:report": "npm run unit -- --coverage-report=html",
     "unit:verbose": "npm run unit -- -Rspec",
     "typescript": "tsd"
@@ -39,10 +39,10 @@
   "devDependencies": {
     "@fastify/pre-commit": "^2.1.0",
     "@types/node": "^22.0.0",
+    "c8": "^10.1.2",
     "fastify": "^5.0.0-alpha.3",
     "snazzy": "^9.0.0",
     "standard": "^17.1.0",
-    "tap": "^21.0.0",
     "tsd": "^0.31.0"
   },
   "dependencies": {