Update dependency i18next-browser-languagedetector to v8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
i18next-browser-languagedetector	^7.0.1 -> ^8.0.0

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Release Notes

i18next/i18next-browser-languageDetector (i18next-browser-languagedetector)

### [`v8.0.0`](https://togithub.com/i18next/i18next-browser-languageDetector/blob/HEAD/CHANGELOG.md#800) [Compare Source](https://togithub.com/i18next/i18next-browser-languageDetector/compare/v7.2.1...v8.0.0) - chore: set browsers target to defaults [286](https://togithub.com/i18next/i18next-browser-languageDetector/pull/286) - perf: use object deconstruction, optional chaining and hot path optimisations [287](https://togithub.com/i18next/i18next-browser-languageDetector/pull/287)

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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