Add Pico support to the generic OpenXR build (#719) #531

Job	Run time
Configure Build Parameters	25s
Windows OpenXR	1h 1m 17s
Windows Pimax	1h 0m 27s
Windows Rift	1h 0m 4s
Linux	2h 34m 5s
MacOS	38m 34s
Android OpenXR	3h 25m 46s
Oculus Quest (1)	3h 22m 2s
Oculus Quest (2+)	3h 22m 27s
Android Pico	2h 23m 43s
Android Pico (CN)	2h 21m 22s
iOS Zapbox	1h 16m 32s
Publish changelog from last major build to open-brush-docs	0s
Sign the MacOS .app	0s
Publish Pimax Release	0s
Publish Itch.io Release	0s
Publish Oculus Quest 2+ Release	0s
Publish Oculus Quest 1 Release	0s
Publish Viveport Release	0s
Publish Zapbox iOS	0s
Publish Oculus Rift Release	0s
Publish Pico Releases	0s
Publish Steam Release	0s
Create and Notarize DMG	0s
Create Github Release	0s
	22h 26m 44s

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