fix(deps): update dependency i18next to v21.10.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
i18next (source)	21.8.14 -> 21.10.0

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Release Notes

i18next/i18next (i18next)

### [`v21.10.0`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#21100) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.9.2...v21.10.0) - Add formatter cache [1843](https://togithub.com/i18next/i18next/pull/1843) ### [`v21.9.2`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#2192) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.9.1...v21.9.2) - optimize single quotes replacement for $t() nesting [1836](https://togithub.com/i18next/i18next/issues/1836) ### [`v21.9.1`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#2191) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.9.0...v21.9.1) - defaultNS can now also be set to false ### [`v21.9.0`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#2190) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.8.16...v21.9.0) - Add Customizable Retry Logic [1810](https://togithub.com/i18next/i18next/pull/1810) - types: extend compatibilityJSON with v4 ### [`v21.8.16`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#21816) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.8.15...v21.8.16) - types: fix getDataByLanguage type [1810](https://togithub.com/i18next/i18next/pull/1810) ### [`v21.8.15`](https://togithub.com/i18next/i18next/blob/HEAD/CHANGELOG.md#21815) [Compare Source](https://togithub.com/i18next/i18next/compare/v21.8.14...v21.8.15) - fix: make sure retry logic ends for failed backend reads

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