Update actions/checkout action to v3.6.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v3.2.0 → v3.6.0

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Release Notes

actions/checkout (actions/checkout)

v3.6.0

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• Fix: Mark test scripts with Bash'isms to be run via Bash
• Add option to fetch tags even if fetch-depth > 0

v3.5.3

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• Fix: Checkout fail in self-hosted runners when faulty submodule are checked-in
• Fix typos found by codespell
• Add support for sparse checkouts

v3.5.2

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• Fix api endpoint for GHES

v3.5.1

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• Fix slow checkout on Windows

v3.5.0

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• Add new public key for known_hosts

v3.4.0

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• Upgrade codeql actions to v2
• Upgrade dependencies
• Upgrade @​actions/io

v3.3.0

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• Implement branch list using callbacks from exec function
• Add in explicit reference to private checkout options
• Fix comment typos (that got added in #​770)

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