chord: update dockerfile #1475

Job	Run time
test (ubuntu-latest, 27.2, false)	2m 24s
test (ubuntu-latest, 28.2, false)	3m 37s
test (ubuntu-latest, 29.3, false)	3m 20s
test (macos-latest, 27.2, false)	2m 25s
test (macos-latest, 28.2, false)	4m 17s
test (macos-latest, 29.3, false)	3m 28s
test (windows-latest, 27.2, false)	2m 8s
test (windows-latest, 28.2, false)	4m 14s
test (windows-latest, 29.3, false)	3m 21s
test (ubuntu-latest, snapshot, true)	2m 40s
test (macos-latest, snapshot, true)	3m 16s
test (windows-latest, snapshot, true)	3m 6s
	38m 16s

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