fix(deps): update dependency nuxt to v2.18.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nuxt (source)	2.17.4 -> 2.18.1

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Release Notes

nuxt/nuxt (nuxt)

### [`v2.18.1`](https://togithub.com/nuxt/nuxt/releases/tag/v2.18.1) [Compare Source](https://togithub.com/nuxt/nuxt/compare/v2.18.0...v2.18.1) ##### 👉 Changelog [compare changes](https://togithub.com/nuxt/nuxt/compare/v2.18.0...v2.18.1) ##### 🩹 Fixes - **webpack:** Depend on earlier version of `mkdirp` ([f67056b9e](https://togithub.com/nuxt/nuxt/commit/f67056b9e)) ##### ❤️ Contributors - Daniel Roe ([@​danielroe](https://togithub.com/danielroe)) ### [`v2.18.0`](https://togithub.com/nuxt/nuxt/releases/tag/v2.18.0) [Compare Source](https://togithub.com/nuxt/nuxt/compare/v2.17.4...v2.18.0) ##### 👉 Changelog [compare changes](https://togithub.com/nuxt/nuxt/compare/v2.17.4...v2.18.0) ##### 🚀 Enhancements - **webpack:** Migrate to `memfs` ([#​27652](https://togithub.com/nuxt/nuxt/pull/27652)) ##### 🩹 Fixes - **vue-app:** Don't throw if we can't read `sessionStorage` ([#​27662](https://togithub.com/nuxt/nuxt/pull/27662)) - **config:** Add back md4 monkey-patch for wider ecosystem ([#​27865](https://togithub.com/nuxt/nuxt/pull/27865)) ##### 🏡 Chore - Bump internal versions ([9e829b59a](https://togithub.com/nuxt/nuxt/commit/9e829b59a)) - Add non-applicable advisory GHSA-3h5v-q93c-6h6q ([5ef7311f0](https://togithub.com/nuxt/nuxt/commit/5ef7311f0)) ##### ❤️ Contributors - Daniel Roe ([@​danielroe](https://togithub.com/danielroe))

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