fix(serialize): registered parameter of serializeStyles should be optional

[otakustay]

What:

According to its implementation and how css function uses it, the registered paramter of serializeStyles should be optional

Why:

To implement a custom css function working with frameworks other than react, current type is generating type erorrs like:

Expected 2-3 arguments, but got 1.ts(2554)
index.d.ts(67, 3): An argument for 'registered' was not provided.
(alias) serializeStyles<P>(args: (TemplateStringsArray | Interpolation<P>)[], registered: RegisteredCache, props?: P | undefined): SerializedStyles
import serializeStyles

How:

I added a single optional placeholder to this parameter, so that custom bindings like emotion-to-solid.js can work strong typed.

Checklist:

• Documentation
• Tests
• Code complete
• Changeset

[changeset-bot]

🦋 Changeset detected

Latest commit: 1266d78

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@emotion/serialize	Patch

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[danilofuchs]

@Andarist if this is correct, we must update the serialize TS migration as well

[otakustay]

Is there anything I can do to make it merged?

[srmagura]

Seems legit to me, @Andarist can you take a look at this?

[Andarist]

Thanks ❤️ and sorry for not getting to this sooner