support passing an external abortsignal to createAsyncThunk

[EskiMojo14]

closes #3924

enables calling dispatch(myThunk(arg, { signal })) (or dispatch(myThunk(undefined, { signal })) if no thunk arg)

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size-limit report 📦

Path	Size
1. entry point: @reduxjs/toolkit/query/react (modern.mjs)	14.43 KB (+0.07% 🔺)
1. entry point: @reduxjs/toolkit (cjs, production.min.cjs)	14.19 KB (+0.34% 🔺)
1. entry point: @reduxjs/toolkit/react (cjs, production.min.cjs)	14.32 KB (+0.31% 🔺)
1. entry point: @reduxjs/toolkit/query (cjs, production.min.cjs)	23.3 KB (+0.18% 🔺)
1. entry point: @reduxjs/toolkit/query/react (cjs, production.min.cjs)	25.68 KB (+0.17% 🔺)
2. entry point: @reduxjs/toolkit (without dependencies) (cjs, production.min.cjs)	7.54 KB (+0.54% 🔺)
3. createAsyncThunk (.modern.mjs)	1.37 KB (+3.16% 🔺)
3. buildCreateSlice and asyncThunkCreator (.modern.mjs)	5.06 KB (+0.67% 🔺)
3. createApi (.modern.mjs)	14.85 KB (+0.37% 🔺)
3. createApi (react) (.modern.mjs)	16.89 KB (+0.32% 🔺)

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[schontz]

LGTM

[schontz]

Would documentation about this change be in a separate CR?

On that note, how would one know if their version of RTK has support for this feature? Do we put it into the docs ("Available since X.Y.Z") or is there some other mechanism?

[EskiMojo14]

@schontz added docs - we don't tend to include in the docs when a feature was added, so your best bet are the release notes.

[schontz]

Got it. At any rate, TS will complain if you pass a signal on a previous version.