Ubuntu build testing

add i915 integrated gpu support, fix fdinfo in gamescope and continuously poll fdinfo needed for some games #870

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Run time

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Job	Run time
build-test (clang, ubuntu-22.04)	2m 30s
build-test (clang, ubuntu-20.04)	2m 30s
build-test (gcc, ubuntu-22.04)	2m 8s
build-test (gcc, ubuntu-20.04)	3m 3s
	10m 11s