deps: update dependency react-i18next to v11.15.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react-i18next	11.12.0 -> 11.15.1

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Release Notes

i18next/react-i18next

v11.15.1

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• add missing types for shouldUnescape and useTranslation 1429

v11.15.0

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• option to unescape html in Trans 1426

v11.14.3

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• types: remove undefined from conditional type 1410

v11.14.2

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• Add type-safe support to deep keyPrefix 1403

v11.14.1

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• Rollback 1402: Remove generics from Trans component to suppress warning issue 1400

v11.14.0

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• Remove generics from Trans component to suppress warning issue 1400
• Add type support to plurals 1399

v11.13.0

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• feat(types): add type-safe support to keyPrefix option 1390
• feat(types): allow key separator augmentation 1367

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