Update dependency react-toastify to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
react-toastify	dependencies	major	^5.5.0 -> ^6.0.0

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Release Notes

fkhadra/react-toastify

v6.0.2

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v6.0.1

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Release notes

Bug fix

• fix #​468 regression. Aria-label was missing on close button

v6.0.0

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Release notes

🚀 Features

• possibility to limit the number of toast displayed #​298
• support strict mode 💪
• can define inline style on toast
• HTML ids can be set for ToastContainer and Toast components(containerId, toastId are used as id)
• better close button icon
• possibility to unsubscribe to onChange event #​450
• dark toast 💅
  
• expose hook to create your own ToastContainer(not documented yet)
• expose hook to create your own Toast (not documented yet)
• new documentation powered by docusaurus2 and algolia search 🔥

🕷Bug fixes

• progress style from toast not being used
• fix some tests

💥 Breaking changes

• className only support string now.
• 🔥 require react v16.8 due to the introduction of hook
• calculate center position using transform instead of using margin-left = toast size /2
• upgrade to latest react-transition-group to support strictmode. This impact your custom transition

🧐 Internal

• fully rewritten in typescript
• switch from enzyme to react-testing-library
• bundled by tsdx
• smaller bundle size 👌

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