feat(client-search): removed node apis from worker build

[TorbjornHoltmon]

• Removed node specific imports from the worker build of client search, replaced them with the web crypto API
• Added test to verify that the result is the same between node crypto and web crypto

This pull request makes generateSecuredApiKey async, this can cause breaking behavior.
Closes #1567

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Hey, thanks a lot for your PR! The changes looks really nice, this needs to however be ported to https://github.com/algolia/api-clients-automation as this repository content is fully generated.

I'll move some of your commits there and let you know once it's good :)

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Hey again, i've ported changes to algolia/api-clients-automation#4249, also made it to kind of avoid breaking changes so it's a worker specific fix instead

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thanks again for the pr!! it has been approve on the automation side, which will land in the next release (5.18.0)