Add a release picker to the retro console bundle updater

[maxjivi05]

The Console Cores section always pulled the rolling "latest" tag, so a bad bundle could only be undone by unpacking an older archive by hand.

RetroBundle now resolves bundle-info.json and retro-consoles.tzst from any release tag, lists the available tags from the GitHub releases API, and persists the chosen channel. The settings group gains a Release dropdown that defaults to Latest; picking a dated release re-checks against that tag and installs it over the bundle directory through the existing verify/extract path.

[chatgpt-codex-connector]

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[sultanyasir802-png]

[Feature Request / Bug] Support for multi-touch combo actions when overlapping touch gamepad buttons

Currently, when two touch gamepad buttons are mapped on top of each other (overlapped) in the input controls editor, pressing the overlapping area only triggers one button. The touch layout does not register both button inputs simultaneously.
This makes it difficult to execute combo actions (e.g., pressing A + B or Shift + Key together) using a single touch area.
Suggested Solution / Feature
Please add support for simultaneous multi-button execution when touch controls overlap, or introduce a dedicated "Combo / Multi-Key Button" feature where a single touch button can be mapped to trigger two or more key combinations at once.
Steps to Reproduce:
Open Input Controls and edit touch controls.
Place Button 1 directly over Button 2 (overlapping layout).
Save and open any game.
Tap the overlapped area.
Observed Result: Only one button action executes.
Expected Result: Both button actions execute simultaneously.