Add Custom Scheduler Name to Build and BuildRun objects #3881

Job	Run time
integration (v1.29.12, v0.59.5)	29m 47s
e2e (v1.29.12, v0.59.5)	24m 57s
e2e (v1.29.12, v0.68.0)	23m 9s
integration (v1.29.12, v0.68.0)	29m 53s
test-docker-build (base)	42s
e2e (v1.32.0, v0.59.5)	22m 51s
unit	3m 15s
integration (v1.32.0, v0.59.5)	29m 39s
test-docker-build (git)	1m 21s
e2e (v1.32.0, v0.68.0)	23m 11s
integration (v1.32.0, v0.68.0)	30m 8s
test-docker-build (image-processing)	56s
test-docker-build (waiter)	47s
	3h 40m 36s

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