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

Compare Source

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Slowest examples

Top 10 slowest examples (6.47 seconds, 99.86% of total time)

Example	Description	Time in seconds
spec/unit/recipes/default_spec.rb:7	default recipe on ubuntu 22.04 includes the package install recipes	1.72737
spec/unit/recipes/default_spec.rb:21	default recipe on centos 8 includes the package install recipes	0.99389
spec/unit/recipes/default_spec.rb:50	default recipe on mac_os_x includes the package install recipes	0.97183
spec/unit/recipes/default_spec.rb:67	default recipe on fedora includes the package install recipes	0.96821
spec/unit/recipes/default_spec.rb:36	default recipe on debian 12 includes the package install recipes	0.95717
spec/unit/library/helper_spec.rb:18	helper methods npm_dist should return a url based on the version	0.84104
spec/unit/library/helper_spec.rb:12	helper methods npm_dist should return a url if specified in the node attributes	0.01166
spec/unit/library/helper_spec.rb:38	helper methods url_valid? should return true the url of an installed package for a valid value	0.00443
spec/unit/library/helper_spec.rb:48	helper methods url_valid? should return false for an installed package that has an invalid url	0.00159
spec/unit/library/helper_spec.rb:43	helper methods url_valid? should return true an installed package that does not have a url	0.00149