Update GitHub Actions workflows. (#358) #165

Job	Run time
prerequisites	1m 54s
lint / lint	24s
License Check / License Check	22s
generate_coverage_data	1m 38s
build_sdk (nodejs)	1m 36s
build_sdk (python)	1m 9s
build_sdk (dotnet)	1m 4s
build_sdk (go)	1m 17s
build_sdk (java)	1m 10s
test (nodejs)	2m 12s
test (python)	2m 17s
test (dotnet)	2m 3s
test (go)	2m 22s
test (java)	1m 56s
publish	5m 50s
publish_sdk	14m 25s
Tag release if labeled as needs-release	4s
	41m 43s

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