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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[coveralls]

Pull Request Test Coverage Report for Build #599

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 91.327%

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Totals
Change from base Build #588:	0.0%
Covered Lines:	2243
Relevant Lines:	2456

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💛 - Coveralls