Chore(deps): Bump @fastify/express from 3.0.0 to 4.0.3

Bumps [@fastify/express](https://github.com/fastify/fastify-express) from 3.0.0 to 4.0.3.
- [Release notes](https://github.com/fastify/fastify-express/releases)
- [Commits](fastify/fastify-express@v3.0.0...v4.0.3)

---
updated-dependencies:
- dependency-name: "@fastify/express"
  dependency-version: 4.0.3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/gasket-plugin-middleware/package.json

@@ -43,7 +43,7 @@
     "diagnostics": "^2.0.2"
   },
   "devDependencies": {
-    "@fastify/express": "^3.0.0",
+    "@fastify/express": "^4.0.3",
     "@gasket/cjs": "workspace:^",
     "@gasket/core": "workspace:^",
     "@gasket/plugin-express": "workspace:^",