Update GitHub Actions workflows. (#376) #159

Job	Run time
prerequisites	50s
lint / lint	4m 18s
License Check / License Check	22s
build_sdk (nodejs)	2m 15s
build_sdk (python)	1m 22s
generate_coverage_data	3m 39s
build_sdk (dotnet)	1m 44s
build_sdk (go)	1m 25s
build_sdk (java)	1m 14s
test (nodejs)	2m 28s
test (python)	2m 25s
test (dotnet)	2m 28s
test (go)	2m 2s
test (java)	1m 53s
publish	6m 57s
publish_sdk	2m 45s
Tag release if labeled as needs-release	2s
	38m 9s

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