bump LLC to 21.27.0

[chabroA]

🦒 Context (issues, jira)

Bump LLC to 21.27.0

cf. https://github.com/LedgerHQ/ledger-live-common/releases/tag/v21.27.0

Blocks #4361

💻 Description / Demo (image or video)

🖤 Expectations to reach

PR must pass CI, merge develop if conflicts, do not force push. Thanks!

• on QA: at least one of these two checkboxes must be checked:
  • a specific test planned is defined on Jira
  • this PR is covered by automatic UI test
• on delivery: at least one of these two checkboxes must be checked:
  • Option 1: no impact: The changes of this PR have ZERO impact on the userland (invisible for users)
  • Option 2: atomic delivery: the changes is atomic and complete (no partial delivery)

PR must pass CI, merge develop if conflicts, do not force push. Thanks!

[gre]

#4663 =)