Merge pull request #260 from eschnett/eschnett/CI-docker-update #1002

Job	Run time
download-build-test (cpu, real32, debug)	8m 24s
download-build-test (cpu, real64, debug)	8m 49s
download-build-test (cpu, real64, optimize)	12m 47s
download-build-test (cuda, real32, debug)	19m 13s
download-build-test (cuda, real64, debug)	18m 54s
download-build-test (cuda, real64, optimize)	18m 48s
download-build-test (rocm, real64, debug)	15m 13s
download-build-test (rocm, real64, optimize)	15m 47s
	1h 57m 55s

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