Update GitHub Actions workflows. (#318) #152

Job	Run time
prerequisites	2m 56s
License Check / License Check	32s
lint / lint	43s
generate_coverage_data	2m 23s
build_sdk (nodejs)	1m 31s
build_sdk (python)	1m 14s
build_sdk (dotnet)	2m 7s
build_sdk (go)	2m 19s
build_sdk (java)	1m 58s
test (nodejs)	2m 19s
test (python)	1m 58s
test (dotnet)	1m 12s
test (go)	2m 19s
test (java)	1m 40s
publish	7m 16s
publish_sdk	10m 6s
Tag release if labeled as needs-release	2s
	42m 35s

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