Update actions/checkout action to v2.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v2.5.0 -> v2.7.0

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Release Notes

actions/checkout (actions/checkout)

v2.7.0

Compare Source

What's Changed

• Add new public key for known_hosts (#​1237) by @​TingluoHuang in https://github.com/actions/checkout/pull/1238

Full Changelog: https://github.com/actions/checkout/compare/v2.6.0...v2.7.0

v2.6.0

Compare Source

What's Changed

• Add backports to v2 branch by @​cory-miller in https://github.com/actions/checkout/pull/1040
  • Includes backports from the following changes: https://github.com/actions/checkout/pull/964, https://github.com/actions/checkout/pull/1002, https://github.com/actions/checkout/pull/1029
  • Upgraded the licensed version to match what is used in v3.

Full Changelog: https://github.com/actions/checkout/compare/v2.5.0...v2.6.0

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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[sweep-ai[bot]]

Apply Sweep Rules to your PR?

• [ ] Apply: All new business logic should have corresponding unit tests.
• [ ] Apply: Refactor large functions to be more modular.
• [ ] Apply: Add docstrings to all functions and file headers.