chore: remove fast-proxy dependency (#453)

Author: Tony133

benchmarks/fast-proxy.js

@@ -64,7 +64,6 @@
     "eslint": "^9.39.1",
     "express": "^5.1.0",
     "express-http-proxy": "^2.1.2",
-    "fast-proxy": "^2.2.0",
     "fastify": "^5.6.2",
     "http-errors": "^2.0.0",
     "http-proxy": "^1.18.1",