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

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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[github-actions[bot]]

Slowest examples

Top 1 slowest examples (0.01 seconds, 100% of total time)

Example	Description	Time in seconds
spec/unit/recipes/default_spec.rb:8	Snort Install on Debian 8 converges successfully	0.01008