Bump i18next from 19.4.5 to 20.3.5 in /frontend

[dependabot-preview]

Bumps i18next from 19.4.5 to 20.3.5.

Changelog

Sourced from i18next's changelog.

20.3.5

• change init warning to only trigger if not using useSSR on react-i18next

20.3.4

• fix(types): only use readonly array of strings in API 1629

20.3.3

• add transWrapTextNodes to types 1626

20.3.2

• context can also be a number 1622

20.3.1

• add 'ns' to the 'returnedObjectHandler' options 1619
• disable warn 'accessing an object' when the 'returnedObjectHandler' is defined 1617

20.3.0

• add simple toJSON function to fix uncontrolled serialization, fixes 1322

20.2.4

• fix types for LanguageDetector detect function

20.2.3

• if detected lng is falsy, set it to empty array, to make sure at least the fallbackLng will be used

20.2.2

• fix plural equations for Kazakh 1608

20.2.1

• fix lastIndex in regex when skipOnVariables is true

20.2.0

• add ignoreJSONStructure into the types
• stop recursive interpolation also for "{{variable}}" when skipOnVariables is true 1595
• old browser fix for "includes" usage 1597

20.1.0

• Add alwaysFormat into the types 1586

... (truncated)

Commits

• b371a5c 20.3.5
• 5920fa9 change warning
• 5086526 20.3.4
• cfc8c94 changelog
• 914ec80 fix(types): only use readonly array of strings in API (#1629)
• 5fd43af 20.3.3
• 565a3e0 changelog
• d754733 Add transWrapTextNodes to types (#1626)
• 3275a47 20.3.2
• d304941 context can also be a number, fixes #1622
• Additional commits viewable in compare view

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