fix(react): support React 17 JSX typing

[Anber]

Motivation

React 17 projects are currently hitting TS errors like:

• Property 'children' is missing ... (TS2741)

This is related to how @linaria/react wires up JSX.IntrinsicElements for styled.*.

This PR is a follow-up/superset of the discussion in #1450, but avoids relying on @ts-expect-error and adds a small regression test.

Summary

• Avoid exporting an empty react.JSX.IntrinsicElements via module augmentation.
• Resolve intrinsic element props from React.JSX.IntrinsicElements only when React actually provides it; otherwise fall back to global JSX.IntrinsicElements.
• Add a minimal dtslint suite (packages/react/__dtslint-react17__) that simulates React 17 + jsx: react-jsx and asserts styled.button does not require children.
• Narrow packages/react/tsconfig.json to include: ["src"] so build/typecheck don’t accidentally pull in __dtslint* folders.

Test plan

• pnpm turbo run typecheck test:dts --filter @linaria/react
• pnpm lint

[changeset-bot]

🦋 Changeset detected

Latest commit: fb2444e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 9 packages

Name	Type
@linaria/react	Patch
@linaria/atomic	Patch
linaria	Patch
@linaria/testkit	Patch
linaria-website	Patch
esbuild-example	Patch
rollup-example	Patch
vite-example	Patch
webpack5-example	Patch

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