Update GitHub Actions workflows. (#726) #226

Job	Run time
prerequisites	2m 22s
License Check / License Check	32s
lint / lint	32s
generate_coverage_data	1m 47s
build_sdk (nodejs)	1m 31s
build_sdk (python)	1m 18s
build_sdk (dotnet)	1m 35s
build_sdk (go)	1m 44s
build_sdk (java)	1m 34s
test (nodejs)	3m 17s
test (python)	1m 41s
test (dotnet)	1m 53s
test (go)	1m 44s
test (java)	1m 39s
publish	5m 57s
publish_sdk	4m 57s
Tag release if labeled as needs-release	2s
	34m 5s

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