chore(deps): update actions/checkout action to v4

This MR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v4

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

• Disable extensions.worktreeConfig when disabling sparse-checkout by @​jww3 in https://github.com/actions/checkout/pull/1692
• Add dependabot config by @​cory-miller in https://github.com/actions/checkout/pull/1688
• Bump the minor-actions-dependencies group with 2 updates by @​dependabot in https://github.com/actions/checkout/pull/1693
• Bump word-wrap from 1.2.3 to 1.2.5 by @​dependabot in https://github.com/actions/checkout/pull/1643

v3

Compare Source

• Fix: Mark test scripts with Bash'isms to be run via Bash
• Add option to fetch tags even if fetch-depth > 0

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