Update GitHub Actions workflows. (#272) #126

Job	Run time
prerequisites	2m 3s
License Check / License Check	16s
lint / lint	35s
generate_coverage_data	1m 41s
build_sdk (nodejs)	1m 17s
build_sdk (python)	1m 36s
build_sdk (dotnet)	1m 2s
build_sdk (go)	58s
build_sdk (java)	57s
test (nodejs)	3m 10s
test (python)	2m 56s
test (dotnet)	2m 36s
test (go)	2m 36s
test (java)	2m 50s
publish	6m 25s
publish_sdk	11m 11s
Tag release if labeled as needs-release	4s
	42m 13s

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