chore(deps): update actions/checkout action to v7

[self-hosted-renovate-everlaw]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v6.0.2 → v7.0.0

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Release Notes

actions/checkout (actions/checkout)

v7.0.0

Compare Source

• Block checking out fork PR for pull_request_target and workflow_run by @​aiqiaoy in #​2454
• Bump actions/publish-immutable-action from 0.0.3 to 0.0.4 in the minor-actions-dependencies group across 1 directory by @​dependabot[bot] in #​2458
• Bump flatted from 3.3.1 to 3.4.2 by @​dependabot[bot] in #​2460
• Bump js-yaml from 4.1.0 to 4.2.0 by @​dependabot[bot] in #​2461
• Bump @​actions/core and @​actions/tool-cache and Remove uuid by @​dependabot[bot] in #​2459
• upgrade module to esm and update dependencies by @​aiqiaoy in #​2463
• Bump the minor-npm-dependencies group across 1 directory with 3 updates by @​dependabot[bot] in #​2462

v6.0.3

Compare Source

• Fix checkout init for SHA-256 repositories by @​yaananth in #​2439
• fix: expand merge commit SHA regex and add SHA-256 test cases by @​yaananth in #​2414

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[kmurphy4]

I'm planning to rebase this PR onto #33 once that lands.