fix(deps): update dependency @sveltejs/kit to v2.5.18

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@sveltejs/kit (source)	2.5.17 -> 2.5.18

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Release Notes

sveltejs/kit (@​sveltejs/kit)

### [`v2.5.18`](https://togithub.com/sveltejs/kit/blob/HEAD/packages/kit/CHANGELOG.md#2518) [Compare Source](https://togithub.com/sveltejs/kit/compare/@sveltejs/kit@2.5.17...@sveltejs/kit@2.5.18) ##### Patch Changes - fix: respect HTML attributes `enctype` and `formenctype` for forms with `use:enhance` ([#​12198](https://togithub.com/sveltejs/kit/pull/12198)) - fix: prevent client import error when a `hooks.server` file imports a private environment variable ([#​12195](https://togithub.com/sveltejs/kit/pull/12195)) - fix: set default `Content-Type` header to `application/x-www-form-urlencoded` for `POST` form submissions with `use:enhance` to align with native form behaviour ([#​12198](https://togithub.com/sveltejs/kit/pull/12198))

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