instrumentation error on Fastify version 4

[inaiat]

Expected behaviour
simple request must retun http 200 status

Actual behaviour
any request return an error 500 with erro message: '"next is not a function"

Steps to reproduce
add import import './tracer' on entry point of app

tracer.ts:

import tracer from 'dd-trace'
tracer.init({ logInjection: true })
tracer.use('http', {
  blocklist: ['/health'],
})
export default tracer

Environment

• Operation system: linux - kernel 5.15.41-1-MANJARO
• Node.js version: v16.15.0
• Tracer version: 2.9.0
• Relevant library versions: fastify v4

"dependencies": {
"@fastify/autoload": "^5.0.0",
"@fastify/awilix": "^3.0.0",
"@fastify/sensible": "^5.0.0",
"@fastify/swagger": "^7.2.0",
"@fastify/type-provider-typebox": "^1.0.0",
"@sinclair/typebox": "^0.23.5",
"awilix": "7.0.3",
"dd-trace": "^2.9.0",
"env-schema": "5.0.0",
"fastify": "4.0.0",
"fastify-plugin": "^3.0.1",
"nanoid": "^3.0.0"
}

"type": "TypeError",
      "message": "next is not a function",
      "stack":
          TypeError: next is not a function
              at /inaiat/node_modules/dd-trace/packages/datadog-instrumentations/src/fastify.js:129:41
              at exports.AsyncResource.runInAsyncScope (node:async_hooks:202:9)
              at Object.preParsing (/inaiat/node_modules/dd-trace/packages/datadog-instrumentations/src/fastify.js:129:19)
              at next (/inaiat/node_modules/fastify/lib/route.js:501:16)
              at preParsingHookRunner (/inaiat/node_modules/fastify/lib/route.js:524:3)
              at runPreParsing (/inaiat/node_modules/fastify/lib/route.js:475:5)
              at next (/inaiat/node_modules/fastify/lib/hooks.js:168:7)
              at /inaiat/node_modules/dd-trace/packages/datadog-instrumentations/src/fastify.js:62:29
              at exports.AsyncResource.runInAsyncScope (node:async_hooks:202:9)
              at arguments.<computed> (/inaiat/node_modules/dd-trace/packages/datadog-instrumentations/src/fastify.js:61:38)

[rochdev]

This was fixed in #2114 and we're in the process of shipping a new patch release.