chore: 🤖 update dependency i18next to v21.8.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
i18next (source)	21.8.0 -> 21.8.2

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Release Notes

i18next/i18next

### [`v21.8.2`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#​2182) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.8.1...v21.8.2) - types: add saveMissingPlurals option [1774](https://togithub.com/i18next/i18next/issues/1774) ### [`v21.8.1`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#​2181) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.8.0...v21.8.1) - fix regression introduced with [1768](https://togithub.com/i18next/i18next/pull/1768)

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Configuration

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