chore: update fastify to ^5.0.0 (#319)

Author: Fdawgs

package.json

@@ -36,7 +36,7 @@
     "@typescript-eslint/parser": "^7.3.1",
     "c8": "^10.1.2",
     "cors": "^2.8.5",
-    "fastify": "^5.0.0-alpha.4",
+    "fastify": "^5.0.0",
     "standard": "^17.1.0",
     "tsd": "^0.31.1",
     "typescript": "^5.4.2"