build(deps-dev): bump turbo from 2.5.8 to 2.6.0

Bumps [turbo](https://github.com/vercel/turborepo) from 2.5.8 to 2.6.0.
- [Release notes](https://github.com/vercel/turborepo/releases)
- [Changelog](https://github.com/vercel/turborepo/blob/main/release.md)
- [Commits](vercel/turborepo@v2.5.8...v2.6.0)

---
updated-dependencies:
- dependency-name: turbo
  dependency-version: 2.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -21,7 +21,7 @@
         "prettier": "^3.6.2",
         "rimraf": "6.1.0",
         "tsup": "^8.5.0",
-        "turbo": "^2.5.8",
+        "turbo": "^2.6.0",
         "typescript": "^5.9.3",
         "vitest": "^4.0.5"
     },