Update dependency io.reactivex.rxjava3:rxandroid to v3.0.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.reactivex.rxjava3:rxandroid	3.0.0 -> 3.0.1

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Release Notes

ReactiveX/RxAndroid

v3.0.1

Compare Source

Fixed:

• AndroidSchedulers.mainThread() now correctly checks whether async messages are supported by the
  current Android version. Previously it always assumed they were available (true on API 16+).

Changed:

• Update to RxJava 3.1.5. This includes a transitive dependency bump to Reactive-Streams 1.0.4 which
  re-licenses that dependency from CC-0 to MIT-0.

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