chore: Bump typescript in the dev-dependencies-typescript group (fastify#6000)

Bumps the dev-dependencies-typescript group with 1 update: [typescript](https://github.com/microsoft/TypeScript).


Updates `typescript` from 5.7.3 to 5.8.2
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release.yml)
- [Commits](microsoft/TypeScript@v5.7.3...v5.8.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies-typescript
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -193,7 +193,7 @@
     "split2": "^4.2.0",
     "tap": "^21.0.0",
     "tsd": "^0.31.0",
-    "typescript": "~5.7.2",
+    "typescript": "~5.8.2",
     "undici": "^6.13.0",
     "vary": "^1.1.2",
     "yup": "^1.4.0"