chore(deps): update dependency astro to v5.18.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
astro (source)	5.17.1 → 5.18.2

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Release Notes

withastro/astro (astro)

v5.18.2

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Patch Changes

• #​16813 8f7d8c4 Thanks @​matthewp! - Populates styles in the SSR manifest for prerendered routes. Previously, prerendered routes had styles: [] in the manifest, making it impossible for workers or middleware to discover which CSS files a prerendered page uses.

v5.18.1

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Patch Changes

• Updated dependencies [c2cd371]:
  • @​astrojs/internal-helpers@​0.7.6
  • @​astrojs/markdown-remark@​6.3.11

v5.18.0

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Minor Changes

• #​15589 b7dd447 Thanks @​qzio! - Adds a new security.actionBodySizeLimit option to configure the maximum size of Astro Actions request bodies.

  This lets you increase the default 1 MB limit when your actions need to accept larger payloads. For example, actions that handle file uploads or large JSON payloads can now opt in to a higher limit.

  If you do not set this option, Astro continues to enforce the 1 MB default to help prevent abuse.

  // astro.config.mjs
  export default defineConfig({
    security: {
      actionBodySizeLimit: 10 * 1024 * 1024, // set to 10 MB
    },
  });

Patch Changes

• #​15594 efae11c Thanks @​qzio! - Fix X-Forwarded-Proto validation when allowedDomains includes both protocol and hostname fields. The protocol check no longer fails due to hostname mismatch against the hardcoded test URL.

v5.17.3

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Patch Changes

• #​15564 522f880 Thanks @​matthewp! - Add a default body size limit for server actions to prevent oversized requests from exhausting memory.

• #​15569 e01e98b Thanks @​matthewp! - Respect image allowlists when inferring remote image sizes and reject remote redirects.

v5.17.2

Compare Source

Patch Changes

• c13b536 Thanks @​matthewp! - Improves Host header handling for SSR deployments behind proxies

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