fix: Correctly type getMissingResultsUrl query as string

[askoufis]

({ query: string }) => string; was being interpreted as a prop rename, which doesn't make sense in the context of an interface, so I've corrected it to what I assume was the intended outcome where query is of type string, rather than being inferred as any.

NOTE: Technically this is a breaking change as query was being inferred with type any, so consumers that were using it as such may need to change their code. On the other hand, I doubt many consumers are using this value as if it were anything but a string, so IMO a patch fix is also valid in this case. I'll leave this decision to the maintainers.

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[francoischalifour]

Thanks! I think that's fine to release as a minor as it was not intended.

[shortcuts]

oops thanks! indeed it was also provided in #1735 and not intended D: