chore(deps): update actions/checkout action to v6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

v5

Compare Source

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Configuration

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[what-the-diff[bot]]

PR Summary

• Updated action version The version of the action/task named actions/checkout has been upgraded from version v4 to v6. This latest version has improved performance and even more robust features, ensuring smoother work processes.