vkQuake2 1.5.9

• fixed compilation warnings in XCode 13
• updated Windows project to Visual Studio 2022
• Added Slight Mechanical Destruction source files
• while ingame, we're no longer displaying weapon's HUD indicator if FOV is greater than 91
• fixed wrong team being announced when the blue flag is returned after it gets destroyed
• added a no_music CLI toggle to disable music from command line
• updated VMA to 3.0.1
• added support for VK_KHR_PORTABILITY_ENUMERATION required by MoltenVK
• added a CPU pause instruction during spin loop (Linux, MacOS)
• fixed some string copying buffer overflows and compiler warnings