Update dependency @vitejs/plugin-legacy to v2.3.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@vitejs/plugin-legacy (source)	2.3.0 -> 2.3.1

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Release Notes

vitejs/vite

### [`v2.3.1`](https://togithub.com/vitejs/vite/blob/HEAD/packages/plugin-legacy/CHANGELOG.md#small231-2022-11-07-small) [Compare Source](https://togithub.com/vitejs/vite/compare/v2.3.0...v2.3.1) - chore(deps): update all non-major dependencies ([#​10725](https://togithub.com/vitejs/vite/issues/10725)) ([22cfad8](https://togithub.com/vitejs/vite/commit/22cfad8)), closes [#​10725](https://togithub.com/vitejs/vite/issues/10725)

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