chore(deps): update actions/checkout action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

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v5

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v4

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• url-helper.ts now leverages well-known environment variables by @​jww3 in #​1941
• Expand unit test coverage for isGhes by @​jww3 in #​1946

v3

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• 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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Configuration

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1. .github/workflows/commit_compliance.yml:9

• Draft comment:
  Ensure that updating to actions/checkout@v6 maintains expected behavior. Review v6 release notes for any changes (e.g., defaults or output variations) that might impact this workflow.
• Reason this comment was not posted:
  Comment did not seem useful. Confidence is useful = 0% <= threshold 50% This comment is asking the PR author to ensure that the update to actions/checkout@v6 maintains expected behavior and to review the release notes for any changes. This falls under the category of asking the author to double-check things and ensure behavior, which is against the rules.

2. .github/workflows/test.yml:11

• Draft comment:
  Verify that using actions/checkout@v6 in the test job does not alter behavior compared to v2. Check for any breaking changes in the new version.
• Reason this comment was not posted:
  Comment did not seem useful. Confidence is useful = 0% <= threshold 50% This comment is asking the PR author to verify the behavior of a dependency change, which is against the rules. It does not provide a specific suggestion or point out a specific issue with the code.

3. .github/workflows/test.yml:30

• Draft comment:
  Confirm that the lint job using actions/checkout@v6 functions as expected with the updated version. Review v6 docs for any modifications that might affect linting workflows.
• Reason this comment was not posted:
  Comment did not seem useful. Confidence is useful = 0% <= threshold 50% This comment is asking the PR author to confirm that a specific action functions as expected and to review documentation for potential modifications. This falls under the rule of not asking the author to confirm or double-check things, which is not allowed.

Workflow ID: wflow_siGstVxagIDKwach

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