Bump turbo from 2.6.1 to 2.7.6

Bumps [turbo](https://github.com/vercel/turborepo) from 2.6.1 to 2.7.6.
- [Release notes](https://github.com/vercel/turborepo/releases)
- [Changelog](https://github.com/vercel/turborepo/blob/main/RELEASE.md)
- [Commits](vercel/turborepo@v2.6.1...v2.7.6)

---
updated-dependencies:
- dependency-name: turbo
  dependency-version: 2.7.6
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]