Update GitHub Actions workflows. (#397) #162

Job	Run time
prerequisites	1m 59s
lint / lint	55s
License Check / License Check	17s
generate_coverage_data	1m 34s
build_sdk (nodejs)	1m 3s
build_sdk (python)	1m 21s
build_sdk (dotnet)	59s
build_sdk (go)	1m 25s
build_sdk (java)	1m 33s
test (nodejs)	1m 43s
test (python)	2m 8s
test (dotnet)	2m 5s
test (go)	1m 49s
test (java)	1m 55s
publish	5m 14s
publish_sdk	5m 12s
Tag release if labeled as needs-release	4s
	31m 16s

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