ci: bump actions/checkout from 6 to 7

[dependabot]

Bumps actions/checkout from 6 to 7.

Release notes

Sourced from actions/checkout's releases.

v7.0.0

What's Changed

• block checking out fork pr for pull_request_target and workflow_run by @​aiqiaoy in actions/checkout#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 actions/checkout#2458
• Bump flatted from 3.3.1 to 3.4.2 by @​dependabot[bot] in actions/checkout#2460
• Bump js-yaml from 4.1.0 to 4.2.0 by @​dependabot[bot] in actions/checkout#2461
• Bump @​actions/core and @​actions/tool-cache and Remove uuid by @​dependabot[bot] in actions/checkout#2459
• upgrade module to esm and update dependencies by @​aiqiaoy in actions/checkout#2463
• Bump the minor-npm-dependencies group across 1 directory with 3 updates by @​dependabot[bot] in actions/checkout#2462
• getting ready for checkout v7 release by @​aiqiaoy in actions/checkout#2464
• update error wording by @​aiqiaoy in actions/checkout#2467

New Contributors

• @​aiqiaoy made their first contribution in actions/checkout#2454

Full Changelog: actions/checkout@v6.0.3...v7.0.0

v6.0.3

What's Changed

• Update changelog by @​ericsciple in actions/checkout#2357
• fix: expand merge commit SHA regex and add SHA-256 test cases by @​yaananth in actions/checkout#2414
• Fix checkout init for SHA-256 repositories by @​yaananth in actions/checkout#2439
• Update changelog for v6.0.3 by @​yaananth in actions/checkout#2446

New Contributors

• @​yaananth made their first contribution in actions/checkout#2414

Full Changelog: actions/checkout@v6...v6.0.3

v6.0.2

What's Changed

• Add orchestration_id to git user-agent when ACTIONS_ORCHESTRATION_ID is set by @​TingluoHuang in actions/checkout#2355
• Fix tag handling: preserve annotations and explicit fetch-tags by @​ericsciple in actions/checkout#2356

Full Changelog: actions/checkout@v6.0.1...v6.0.2

v6.0.1

What's Changed

• Update all references from v5 and v4 to v6 by @​ericsciple in actions/checkout#2314
• Add worktree support for persist-credentials includeIf by @​ericsciple in actions/checkout#2327
• Clarify v6 README by @​ericsciple in actions/checkout#2328

Full Changelog: actions/checkout@v6...v6.0.1

Changelog

Sourced from actions/checkout's changelog.

Changelog

v7.0.0

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

v6.0.3

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

v6.0.2

• Fix tag handling: preserve annotations and explicit fetch-tags by @​ericsciple in actions/checkout#2356

v6.0.1

• Add worktree support for persist-credentials includeIf by @​ericsciple in actions/checkout#2327

v6.0.0

• Persist creds to a separate file by @​ericsciple in actions/checkout#2286
• Update README to include Node.js 24 support details and requirements by @​salmanmkc in actions/checkout#2248

v5.0.1

• Port v6 cleanup to v5 by @​ericsciple in actions/checkout#2301

v5.0.0

• Update actions checkout to use node 24 by @​salmanmkc in actions/checkout#2226

v4.3.1

• Port v6 cleanup to v4 by @​ericsciple in actions/checkout#2305

v4.3.0

• docs: update README.md by @​motss in actions/checkout#1971
• Add internal repos for checking out multiple repositories by @​mouismail in actions/checkout#1977
• Documentation update - add recommended permissions to Readme by @​benwells in actions/checkout#2043
• Adjust positioning of user email note and permissions heading by @​joshmgross in actions/checkout#2044
• Update README.md by @​nebuk89 in actions/checkout#2194
• Update CODEOWNERS for actions by @​TingluoHuang in actions/checkout#2224
• Update package dependencies by @​salmanmkc in actions/checkout#2236

v4.2.2

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

v4.2.1

• Check out other refs/* by commit if provided, fall back to ref by @​orhantoy in actions/checkout#1924

... (truncated)

Commits

• 9c091bb update error wording (#2467)
• 1044a6d getting ready for checkout v7 release (#2464)
• f028218 Bump the minor-npm-dependencies group across 1 directory with 3 updates (#2462)
• d914b26 upgrade module to esm and update dependencies (#2463)
• 537c7ef Bump @​actions/core and @​actions/tool-cache and Remove uuid (#2459)
• 130a169 Bump js-yaml from 4.1.0 to 4.2.0 (#2461)
• 7d09575 Bump flatted from 3.3.1 to 3.4.2 (#2460)
• 0f9f3aa Bump actions/publish-immutable-action (#2458)
• f9e715a block checking out fork pr for pull_request_target and workflow_run (#2454)
• See full diff in compare view

[dependabot]

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[j0nathan-ll0yd]

Holding this one for manual review rather than auto-merging: this is a major version bump (actions/checkout v6 → v7), so it falls outside the auto-merge policy for patch/minor/security updates.

CI status: ✅ All checks green (Lint, Test, APITypes Build, Release Archive, runner-health, PR Title), and the PR is mergeable.

Breaking changes to verify before merging (per the v7.0.0 release notes):

1. Fork PR checkout now blocked for pull_request_target and workflow_run (actions/checkout#2454) — this is the headline breaking change. If any workflow in this repo uses pull_request_target or workflow_run and relies on checking out the fork's head ref, it will break. Our workflows here are pull_request/push-triggered, so this likely does not affect us — worth a quick confirmation.
2. Module upgraded to ESM + dependency updates (actions/checkout#2463) — runtime is Node 24 (already the case since v5/v6), so no new runner requirement, but the internal rewrite is worth noting.

Given all CI is passing and the breaking change appears not to apply to this repo's trigger types, this looks safe to merge after the maintainer confirms point 1. Leaving the decision to a human since it's a major bump.