chore(deps): update devdependency eslint to v9

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
eslint (source)	^8.55.0 -> ^9.3.0

---

Release Notes

eslint/eslint (eslint)

v9.3.0

Compare Source

v9.2.0

Compare Source

v9.1.1

Compare Source

v9.1.0

Compare Source

v9.0.0

Compare Source

v8.57.0

Compare Source

Features

• 1120b9b feat: Add loadESLint() API method for v8 (#​18098) (Nicholas C. Zakas)
• dca7d0f feat: Enable eslint.config.mjs and eslint.config.cjs (#​18066) (Nitin Kumar)

Bug Fixes

• 2196d97 fix: handle absolute file paths in FlatRuleTester (#​18064) (Nitin Kumar)
• 69dd1d1 fix: Ensure config keys are printed for config errors (#​18067) (Nitin Kumar)
• 9852a31 fix: deep merge behavior in flat config (#​18065) (Nitin Kumar)
• 4c7e9b0 fix: allow circular references in config (#​18056) (Milos Djermanovic)

Documentation

• 84922d0 docs: Show prerelease version in dropdown (#​18139) (Nicholas C. Zakas)
• 5b8c363 docs: Switch to Ethical Ads (#​18117) (Milos Djermanovic)
• 77dbfd9 docs: show NEXT in version selectors (#​18052) (Milos Djermanovic)

Chores

• 1813aec chore: upgrade @​eslint/js@​8.57.0 (#​18143) (Milos Djermanovic)
• 5c356bb chore: package.json update for @​eslint/js release (Jenkins)
• f4a1fe2 test: add more tests for ignoring files and directories (#​18068) (Nitin Kumar)
• 42c0aef ci: Enable CI for v8.x branch (#​18047) (Milos Djermanovic)

v8.56.0

Compare Source

Features

• 0dd9704 feat: Support custom severity when reporting unused disable directives (#​17212) (Bryan Mishkin)
• 31a7e3f feat: fix no-restricted-properties false negatives with unknown objects (#​17818) (Arka Pratim Chaudhuri)

Bug Fixes

• 7d5e5f6 fix: TypeError: fs.exists is not a function on read-only file system (#​17846) (Francesco Trotta)
• 74739c8 fix: suggestion with invalid syntax in no-promise-executor-return rule (#​17812) (Bryan Mishkin)

Documentation

• 9007719 docs: update link in ways-to-extend.md (#​17839) (Amel SELMANE)
• 3a22236 docs: Update README (GitHub Actions Bot)
• 54c3ca6 docs: fix migration-guide example (#​17829) (Tanuj Kanti)
• 4391b71 docs: check config comments in rule examples (#​17815) (Francesco Trotta)
• fd28363 docs: remove mention about ESLint stylistic rules in readme (#​17810) (Zwyx)
• 48ed5a6 docs: Update README (GitHub Actions Bot)

Chores

• ba6af85 chore: upgrade @​eslint/js@​8.56.0 (#​17864) (Milos Djermanovic)
• 60a531a chore: package.json update for @​eslint/js release (Jenkins)
• ba87a06 chore: update dependency markdownlint to ^0.32.0 (#​17783) (renovate[bot])
• 9271d10 chore: add GitHub issue template for docs issues (#​17845) (Josh Goldberg ✨)
• 70a686b chore: Convert rule tests to FlatRuleTester (#​17819) (Nicholas C. Zakas)
• f3a599d chore: upgrade eslint-plugin-unicorn to v49.0.0 (#​17837) (唯然)
• 905d4b7 chore: upgrade eslint-plugin-eslint-plugin v5.2.1 (#​17838) (唯然)
• 4d7c3ce chore: update eslint-plugin-n v16.4.0 (#​17836) (唯然)
• fd0c60c ci: unpin Node.js 21.2.0 (#​17821) (Francesco Trotta)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[cloudflare-workers-and-pages[bot]]

Deploying slantire with    Cloudflare Pages

Latest commit:	bd58ed0
Status:	✅  Deploy successful!
Preview URL:	https://914c615f.slantire.pages.dev
Branch Preview URL:	https://renovate-major-linter-and-fo.slantire.pages.dev

View logs