release(turborepo): 2.8.6 (#11792)
## Release v2.8.6
Versioned docs: https://v2-8-6.turborepo.dev
### Changes
- ci(perf): Speed up release pipeline by removing full git clones
(#11790) (`d8055bc`)
- release(turborepo): 2.8.6-canary.1 (#11791) (`e790a4a`)
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Co-authored-by: Turbobot <turbobot@vercel.com>
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