xpadneo: upgrade to the latest v0.9.x version

[cmitu]

Upgrade to version 0.9.6, last maintenance release in the v0.9 series.

Main features:

• Add support for GuliKit KingKong2 PRO controllers
• Move paddles to range BTN_TRIGGER_HAPPY5
• Actually save rumble test values before we replace them
• Support GameSir T4 Cyclone models
• Fix documentation about Share button