Add copilot-setup-steps #4

Job	Run time
build	3m 18s
extension	52s
lint (windows-latest)	12m 34s
misc	39s
smoke	4m 41s
generate	4m 3s
lint (macos-latest)	6m 26s
lint (noembed)	5m 4s
test (macos-latest)	9m 50s
test (no submodules)	5m 1s
test (concurrent test programs)	9m 0s
baselines	6m 33s
test (race mode)	1s
tidy	40s
lint (ubuntu-latest)	5m 5s
test (windows-latest)	16m 29s
test (noembed)	6m 7s
test (ubuntu-latest)	9m 2s
format	1m 34s
required	2s
	1h 47m 1s

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