fix(deps): update dependency astro to v4.6.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
astro (source)	4.6.0 -> 4.6.1

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Release Notes

withastro/astro (astro)

### [`v4.6.1`](https://togithub.com/withastro/astro/blob/HEAD/packages/astro/CHANGELOG.md#461) [Compare Source](https://togithub.com/withastro/astro/compare/astro@4.6.0...astro@4.6.1) ##### Patch Changes - [#​10708](https://togithub.com/withastro/astro/pull/10708) [`742866c5669a2be4f8b5a4c861cadb933c381415`](https://togithub.com/withastro/astro/commit/742866c5669a2be4f8b5a4c861cadb933c381415) Thanks [@​horo-fox](https://togithub.com/horo-fox)! - Limits parallel imports within `getCollection()` to prevent EMFILE errors when accessing files - [#​10755](https://togithub.com/withastro/astro/pull/10755) [`c6d59b6fb7db20af957a8706c8159c50619235ef`](https://togithub.com/withastro/astro/commit/c6d59b6fb7db20af957a8706c8159c50619235ef) Thanks [@​ematipico](https://togithub.com/ematipico)! - Fixes a case where the i18n fallback failed to correctly redirect to the index page with SSR enabled

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