Update dependency io.reactivex.rxjava3:rxjava to v3.1.12

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Confidence
io.reactivex.rxjava3:rxjava	3.1.8 -> 3.1.12

---

Release Notes

ReactiveX/RxJava (io.reactivex.rxjava3:rxjava)

v3.1.12

Version 3.1.12 - September 24, 2025

Bugfixes

• Fix for the empty module version string in the module-info.class file. #​7906

v3.1.11

Version 3.1.11 - July 7, 2025

Maven JavaDocs

Bugfixes

• Fix ReplaySubject termination-subscription race emitting wrongly. #​7879

v3.1.10

Version 3.1.10 - November 26, 2024

Maven JavaDocs

Bugfixes

• Fix GC nepotism with MpscLinkedQueue's poll logic. #​7799
• Fix FlowableBlockingIterable.onNext to set the exception before terminating to avoid losing it. #​7789

v3.1.9

Maven JavaDocs

Bugfixes

• Fix ScheduledRunnable's interruption logic if used from a no-interrupt Schedulers.from. #​7745

Documentation

• Update the javadoc description of cast(). #​7606
• Update How-To-Use-RxJava.md (d0038c9, 6d63111)
• Update Readme.md with reference to JavaFXScheduler.platform. (f822ffb)
• Fix broken annotation links. #​7652
• Update marbles for concatMap{Single|Maybe}[DelayError] #​7698

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.