chore: update tsconfig in preparation for TS 6.0

[lachlancollins]

🎯 Changes

See planned breaking changes: microsoft/TypeScript#54500

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm test:pr.

🚀 Release Impact

• This change affects published code, and I have generated a changeset.
• This change is docs/CI/dev-only (no release).

[changeset-bot]

⚠️ No Changeset found

Latest commit: 8d57414

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View your CI Pipeline Execution ↗ for commit 8d57414

Command	Status	Duration	Result
nx affected --targets=test:sherif,test:docs,tes...	✅ Succeeded	26s	View ↗
nx run-many --target=build	✅ Succeeded	10s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-02-01 21:51:33 UTC

[pkg-pr-new]

npm i https://pkg.pr.new/@tanstack/eslint-config@336

npm i https://pkg.pr.new/@tanstack/publish-config@336

npm i https://pkg.pr.new/@tanstack/typedoc-config@336

npm i https://pkg.pr.new/@tanstack/vite-config@336

commit: 8d57414