Gamepad.vibrationActuator: Add support for "trigger-rumble" effect type: - https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/GamepadHapticsActuatorTriggerRumble/explainer.md
Pull request: https://github.com/WebKit/WebKit/pull/8427
<rdar://problem/104315486>
Pull request: https://github.com/WebKit/WebKit/pull/9075
Committed 259507@main (2dca512b491e): <https://commits.webkit.org/259507@main> Reviewed commits have been landed. Closing PR #9075 and removing active labels.