chore(examples): Update examples to React 18

[FabienMotte]

Summary

This PR updates 11 examples to React 18 (hooks examples are already using React 18 and the 2 native examples stays on React 17 for now).

Result

This allows to run the examples from the monorepo. Two React versions were used before (React 17 for an example and React 18 at the root), resulting in an error when running an example.

This should also fix #3544: the next example is throwing an SSR error when using React 17 and Next.js >= 12.1.6-canary.15 in production. No more error using React 18.

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Latest deployment of this branch, based on commit 4588eff44b6a2252bf2f13cc3d7475bfba03e462:

Sandbox	Source
algolia/create-instantsearch-app	Configuration
hooks-example	Configuration
react-instantsearch-next-1216-6u2c1w	Issue #3544

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[sarahdayan]

@FabienMotte We're in the process of moving algolia/react-instantsearch to our InstantSearch monorepo. This PR won't be transferrable, so I'll close it here, but please feel free to reopen it in algolia/instantsearch.js.