chore(deps-dev): bump turbo from 2.8.20 to 2.8.21

Bumps [turbo](https://github.com/vercel/turborepo) from 2.8.20 to 2.8.21.
- [Release notes](https://github.com/vercel/turborepo/releases)
- [Changelog](https://github.com/vercel/turborepo/blob/main/RELEASE.md)
- [Commits](vercel/turborepo@v2.8.20...v2.8.21)

---
updated-dependencies:
- dependency-name: turbo
  dependency-version: 2.8.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

bun.lock

@@ -15,7 +15,7 @@
 		"dts-bundle-generator": "^9.5.1",
 		"knip": "^6.0.5",
 		"typescript": "latest",
-		"turbo": "^2.8.20"
+		"turbo": "^2.8.21"
 	},
 	"scripts": {
 		"check": "biome check",