Update actions/checkout action to v2.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v2.0.0 -> v2.4.0

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Release Notes

actions/checkout

### [`v2.4.0`](https://togithub.com/actions/checkout/releases/v2.4.0) [Compare Source](https://togithub.com/actions/checkout/compare/v2.3.5...v2.4.0) - Convert SSH URLs like `org-@​github.com:` to `https://github.com/` - [pr](https://togithub.com/actions/checkout/pull/621) ### [`v2.3.5`](https://togithub.com/actions/checkout/releases/v2.3.5) [Compare Source](https://togithub.com/actions/checkout/compare/v2.3.4...v2.3.5) Update dependencies ### [`v2.3.4`](https://togithub.com/actions/checkout/releases/v2.3.4) [Compare Source](https://togithub.com/actions/checkout/compare/v2.3.3...v2.3.4) - [Add missing `await`s](https://togithub.com/actions/checkout/pull/379) - [Swap to Environment Files](https://togithub.com/actions/checkout/pull/360) ### [`v2.3.3`](https://togithub.com/actions/checkout/releases/v2.3.3) [Compare Source](https://togithub.com/actions/checkout/compare/v2.3.2...v2.3.3) - [Remove Unneeded commit information from build logs](https://togithub.com/actions/checkout/pull/345) - [Add Licensed to verify third party dependencies](https://togithub.com/actions/checkout/pull/326) ### [`v2.3.2`](https://togithub.com/actions/checkout/releases/v2.3.2) [Compare Source](https://togithub.com/actions/checkout/compare/v2.3.1...v2.3.2) [Add Third Party License Information to Dist Files](https://togithub.com/actions/checkout/pull/320) ### [`v2.3.1`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v231) [Compare Source](https://togithub.com/actions/checkout/compare/v2.3.0...v2.3.1) - [Fix default branch resolution for .wiki and when using SSH](https://togithub.com/actions/checkout/pull/284) ### [`v2.3.0`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v230) [Compare Source](https://togithub.com/actions/checkout/compare/v2.2.0...v2.3.0) - [Fallback to the default branch](https://togithub.com/actions/checkout/pull/278) ### [`v2.2.0`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v220) [Compare Source](https://togithub.com/actions/checkout/compare/v2.1.1...v2.2.0) - [Fetch all history for all tags and branches when fetch-depth=0](https://togithub.com/actions/checkout/pull/258) ### [`v2.1.1`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v211) [Compare Source](https://togithub.com/actions/checkout/compare/v2.1.0...v2.1.1) - Changes to support GHES ([here](https://togithub.com/actions/checkout/pull/236) and [here](https://togithub.com/actions/checkout/pull/248)) ### [`v2.1.0`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v210) [Compare Source](https://togithub.com/actions/checkout/compare/v2.0.0...v2.1.0) - [Group output](https://togithub.com/actions/checkout/pull/191) - [Changes to support GHES alpha release](https://togithub.com/actions/checkout/pull/199) - [Persist core.sshCommand for submodules](https://togithub.com/actions/checkout/pull/184) - [Add support ssh](https://togithub.com/actions/checkout/pull/163) - [Convert submodule SSH URL to HTTPS, when not using SSH](https://togithub.com/actions/checkout/pull/179) - [Add submodule support](https://togithub.com/actions/checkout/pull/157) - [Follow proxy settings](https://togithub.com/actions/checkout/pull/144) - [Fix ref for pr closed event when a pr is merged](https://togithub.com/actions/checkout/pull/141) - [Fix issue checking detached when git less than 2.22](https://togithub.com/actions/checkout/pull/128)

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