Update actions/checkout action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v3

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Release Notes

actions/checkout

### [`v3`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v310) [Compare Source](https://togithub.com/actions/checkout/compare/v2...v3) - [Use @​actions/core `saveState` and `getState`](https://togithub.com/actions/checkout/pull/939) - [Add `github-server-url` input](https://togithub.com/actions/checkout/pull/922)

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[github-actions[bot]]

:cold_sweat: RSpec failure

1 example, 1 failure

| Example | Description | Message | | -------------------------------- | ------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | ./spec/recipes/default_spec.rb:8 | test::default converges successfully | expected no Exception, got # with backtrace: # ./spec/recipes/default_spec.rb:6:in `block (2 levels) in ' # ./spec/recipes/default_spec.rb:9:in `block (3 levels) in ' # ./spec/recipes/default_spec.rb:9:in `block (2 levels) in ' |