Add GitHub action files for use with DevOps #4

Job	Run time
call-tests / build (ubuntu-latest, 3.8)	24s
call-tests / build (ubuntu-latest, 3.9)	19s
call-tests / build (ubuntu-latest, 3.10)	26s
call-tests / build (ubuntu-latest, 3.11)	28s
call-tests / build (ubuntu-latest, 3.12)	23s
call-tests / build (macos-latest, 3.8)	54s
call-tests / build (macos-latest, 3.9)	29s
call-tests / build (macos-latest, 3.10)	38s
call-tests / build (macos-latest, 3.11)	35s
call-tests / build (macos-latest, 3.12)	1m 3s
call-tests / build (windows-latest, 3.8)	59s
call-tests / build (windows-latest, 3.9)	55s
call-tests / build (windows-latest, 3.10)	1m 11s
call-tests / build (windows-latest, 3.11)	56s
call-tests / build (windows-latest, 3.12)	58s
	10m 38s

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