Chore: change SacRT copy to say "bus" instead of "light rail" (#2507) #959

Job	Run time
check-migrations-and-messages / check-migrations-and-messages	34s
tests-cypress / tests-cypress	3m 4s
tests-pytest / pytest	57s
tests-ui / tests-ui	1m 25s
deploy	1m 49s
release	5s
	7m 54s

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