Update actions/checkout action to v2.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v2.4.0 -> v2.7.0

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

actions/checkout (actions/checkout)

### [`v2.7.0`](https://redirect.github.com/actions/checkout/releases/tag/v2.7.0) [Compare Source](https://redirect.github.com/actions/checkout/compare/v2.6.0...v2.7.0) ##### What's Changed - Add new public key for known_hosts ([#​1237](https://redirect.github.com/actions/checkout/issues/1237)) by [@​TingluoHuang](https://redirect.github.com/TingluoHuang) in [https://github.com/actions/checkout/pull/1238](https://redirect.github.com/actions/checkout/pull/1238) **Full Changelog**: https://github.com/actions/checkout/compare/v2.6.0...v2.7.0 ### [`v2.6.0`](https://redirect.github.com/actions/checkout/releases/tag/v2.6.0) [Compare Source](https://redirect.github.com/actions/checkout/compare/v2.5.0...v2.6.0) #### What's Changed - Add backports to v2 branch by [@​cory-miller](https://redirect.github.com/cory-miller) in [https://github.com/actions/checkout/pull/1040](https://redirect.github.com/actions/checkout/pull/1040) - Includes backports from the following changes: [https://github.com/actions/checkout/pull/964](https://redirect.github.com/actions/checkout/pull/964), [https://github.com/actions/checkout/pull/1002](https://redirect.github.com/actions/checkout/pull/1002), [https://github.com/actions/checkout/pull/1029](https://redirect.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 ### [`v2.5.0`](https://redirect.github.com/actions/checkout/releases/tag/v2.5.0) [Compare Source](https://redirect.github.com/actions/checkout/compare/v2.4.2...v2.5.0) ##### What's Changed - Update [@​actions/core](https://redirect.github.com/actions/core) to 1.10.0 by [@​rentziass](https://redirect.github.com/rentziass) in [https://github.com/actions/checkout/pull/962](https://redirect.github.com/actions/checkout/pull/962) **Full Changelog**: https://github.com/actions/checkout/compare/v2...v2.5.0 ### [`v2.4.2`](https://redirect.github.com/actions/checkout/releases/tag/v2.4.2) [Compare Source](https://redirect.github.com/actions/checkout/compare/v2.4.1...v2.4.2) ##### What's Changed - Add set-safe-directory input to allow customers to take control. ([#​770](https://redirect.github.com/actions/checkout/issues/770)) by [@​TingluoHuang](https://redirect.github.com/TingluoHuang) in [https://github.com/actions/checkout/pull/776](https://redirect.github.com/actions/checkout/pull/776) - Prepare changelog for v2.4.2. by [@​TingluoHuang](https://redirect.github.com/TingluoHuang) in [https://github.com/actions/checkout/pull/778](https://redirect.github.com/actions/checkout/pull/778) **Full Changelog**: https://github.com/actions/checkout/compare/v2...v2.4.2 ### [`v2.4.1`](https://redirect.github.com/actions/checkout/releases/tag/v2.4.1) [Compare Source](https://redirect.github.com/actions/checkout/compare/v2.4.0...v2.4.1) - Fixed an issue where checkout failed to run in container jobs due to the new git setting `safe.directory`

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