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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Configuration

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[github-actions]

😰 RSpec failure

17 examples, 1 failure

Example	Description	Message
spec/install_spec.rb:152	visualstudio::install Windows 2012R2 customizes the AdminDeployment.xml when install_items set on the node	expected Chef run to render "c:\var\chef\cache\2015\professional\AdminDeployment.xml"

[github-actions]

Slowest examples

Top 10 slowest examples (15.4 seconds, 62.1% of total time)

Example	Description	Time in seconds
spec/install_vsto_spec.rb:23	visualstudio::install_vsto Visual Studio 2012 Ultimate Edition installs VSTO for VS 2012	2.12827
spec/install_spec.rb:152	visualstudio::install Windows 2012R2 customizes the AdminDeployment.xml when install_items set on the node	1.97544
spec/install_vsto_spec.rb:10	visualstudio::install_vsto Visual Studio 2015 Community Edition does not install VSTO	1.59157
spec/install_spec.rb:23	visualstudio::install Windows 2012R2 Visual Studio 2015 Professional uses the node[visualstudio][source] attribute when set	1.40385
spec/install_spec.rb:124	visualstudio::install Windows 2012R2 Visual Studio 2013 Ultimate installs Visual Studio 2013 Ultimate when edition and version attribute are set	1.39804
spec/install_spec.rb:179	visualstudio::install Ubuntu 18.04 defaults the install_dir attribute correctly	1.39229
spec/install_spec.rb:145	visualstudio::install Windows 2012R2 Visual Studio 2013 Test Professional and Visual Studio 2015 Professional installs multiple editions and versions when installs attribute is set	1.38685
spec/install_spec.rb:10	visualstudio::install Windows 2012R2 Visual Studio 2015 Professional installs Visual Studio 2015 Professional when only edition attribute is set	1.37696
spec/install_spec.rb:46	visualstudio::install Windows 2012R2 Visual Studio 2012 Ultimate installs Visual Studio 2012 Ultimate	1.37419
spec/nuget_spec.rb:19	visualstudio::nuget package restore not yet enabled enables restore	1.37359