Update GitHub Actions workflows. (#329) #155

Job	Run time
prerequisites	1m 11s
License Check / License Check	23s
lint / lint	15s
generate_coverage_data	3m 46s
build_sdk (nodejs)	1m 17s
build_sdk (python)	1m 22s
build_sdk (dotnet)	1m 16s
build_sdk (go)	1m 58s
build_sdk (java)	1m 23s
test (nodejs)	3m 16s
test (python)	3m 4s
test (dotnet)	2m 37s
test (go)	3m 8s
test (java)	2m 42s
publish	8m 9s
publish_sdk	5m 54s
Tag release if labeled as needs-release	2s
	41m 43s

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