fix(deps): update astro-react (astro-react) (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@astrojs/react (source)	3.6.3 -> 4.1.2
react (source)	18.3.1 -> 19.0.0
react-dom (source)	18.3.1 -> 19.0.0

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Release Notes

withastro/astro (@​astrojs/react)

v4.1.2

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Patch Changes

• #​12799 739dbfb Thanks @​ascorbic! - Upgrades Vite to pin esbuild

v4.1.1

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Patch Changes

• #​12755 391df0e Thanks @​matthewp! - Preoptimize React compiler runtime

v4.1.0

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Minor Changes

• #​12678 97c9265 Thanks @​bskimball! - Add React 19 stable to peer dependencies

v4.0.0

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Major Changes

• #​12524 9f44019 Thanks @​bluwy! - Updates Vite dependency to v6 to match Astro v5

Minor Changes

• #​12539 827093e Thanks @​bluwy! - Drops node 21 support

• #​12510 14feaf3 Thanks @​bholmesdev! - Changes the generated URL query param from _astroAction to _action when submitting a form using Actions. This avoids leaking the framework name into the URL bar, which may be considered a security issue.

facebook/react (react)

v19.0.0

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facebook/react (react-dom)

v19.0.0

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