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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[ibcheckmarx]

Checkmarx One – Scan Summary & Details – f967be4b-552a-49f6-be4e-24d1d469af9a

Great job! No new security vulnerabilities introduced in this pull request

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