Update GitHub Actions workflows. (#316) #149

Job	Run time
prerequisites	47s
lint / lint	2m 6s
License Check / License Check	21s
build_sdk (nodejs)	1m 29s
generate_coverage_data	3m 27s
build_sdk (python)	1m 16s
build_sdk (dotnet)	1m 20s
build_sdk (go)	2m 6s
build_sdk (java)	1m 26s
test (nodejs)	2m 18s
test (python)	2m 9s
test (dotnet)	2m 27s
test (go)	1m 39s
test (java)	2m 1s
publish	8m 9s
publish_sdk	3m 42s
Tag release if labeled as needs-release	2s
	36m 45s

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