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

[renovate]

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

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Slowest examples

Top 3 slowest examples (0.11 seconds, 100% of total time)

Example	Description	Time in seconds
spec/default_spec.rb:5	yum-mysql-community::connectors creates yum_repository[connectors]	0.06251
spec/default_spec.rb:19	yum-mysql-community::mysql56 creates yum_repository[mysql56]	0.02384
spec/default_spec.rb:12	yum-mysql-community::mysql55 creates yum_repository[mysql55]	0.02381