Update dependency astro to v6.3.5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
astro (source)	6.3.4 → 6.3.5

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Release Notes

withastro/astro (astro)

v6.3.5

Compare Source

Patch Changes

• #​16771 07c8805 Thanks @​ematipico! - Fixes position prop on <Image> and <Picture> components breaking Content Security Policy (CSP).

• #​16593 50924ce Thanks @​yanthomasdev! - Improves error messages with more consistent and correct writing.

• #​16757 5d661cd Thanks @​astrobot-houston! - Fixes dev server serving stale content when SSR-only modules change (e.g. .astro files outside the project root in a monorepo, or dynamically imported components).

  Previously, the astro:hmr-reload plugin returned an empty array after detecting SSR-only module changes, which prevented Vite's updateModules from propagating the invalidation to the SSR module runner. The runner's evaluated module cache stayed stale, so subsequent requests continued returning old content.

  Now the plugin returns the SSR-only modules so Vite can process them through updateModules, which properly invalidates the module runner's cache and ensures fresh content on the next request.

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