chore(deps): bump vitest in /packages/fastify-adapter

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 3.2.4 to 4.0.4.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.4/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/fastify-adapter/package.json

@@ -30,7 +30,7 @@
 		"fastify": "5.6.0",
 		"tsup": "8.5.0",
 		"typescript": "5.9.2",
-		"vitest": "3.2.4"
+		"vitest": "4.0.4"
 	},
 	"engines": {
 		"node": ">=20.0.0"