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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[renovate]

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Slowest examples

Top 10 slowest examples (3.1 seconds, 15.35% of total time)

Example	Description	Time in seconds
spec/resources/conf_spec.rb:41	apache2_install install an apache2_module with default properties Creates the charset template	0.45301
spec/resources/mod_php_spec.rb:25	apache2_mod_php Setup and enable PHP module is expected to install package "libapache2-mod-php"	0.435
spec/libraries/pid_file_spec.rb:25	#apache_pid_file with SUSE family is expected to write log "/var/run/httpd2.pid"	0.33877
spec/resources/mod_spec.rb:261	apache2_install mod_cache_disk outputs template correctly	0.33833
spec/resources/mod_spec.rb:274	apache2_install mod_autoindex outputs template correctly	0.31656
spec/libraries/log_spec.rb:61	#default_access_log with amazon family is expected to write log "access.log"	0.2932
spec/libraries/devel_package_spec.rb:26	#apache_devel_package suse is expected to write log "apache2-devel"	0.23927
spec/resources/default_site_spec.rb:20	apache2_install Enable the default site Creates the default site template	0.23574
spec/resources/mod_auth_cas_spec.rb:55	apache2_mod_auth_cas ubuntu is expected to render file "/etc/apache2/mods-available/auth_cas.conf"	0.23074
spec/resources/conf_spec.rb:34	apache2_install install an apache2_module with default properties Creates the ports template	0.22456