chore(deps): bump @vitest/coverage-v8 in /packages/fastify-adapter

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 1.6.0 to 3.1.4.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v3.1.4/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 3.1.4
  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

@@ -22,7 +22,7 @@
 	},
 	"devDependencies": {
 		"@fastify/cookie": "11.0.2",
-		"@vitest/coverage-v8": "1.6.0",
+		"@vitest/coverage-v8": "3.1.4",
 		"fastify": "5.3.3",
 		"tsup": "^8.3.0",
 		"typescript": "^5.8.2",