Update GitHub Actions workflows. (#326) #150

Job	Run time
prerequisites	1m 55s
lint / lint	27s
License Check / License Check	18s
build_sdk (nodejs)	56s
generate_coverage_data	1m 32s
build_sdk (python)	1m 15s
build_sdk (dotnet)	53s
build_sdk (go)	1m 17s
build_sdk (java)	1m 10s
test (nodejs)	2m 27s
test (python)	2m 17s
test (dotnet)	1m 28s
test (go)	1m 46s
test (java)	1m 21s
publish	4m 48s
publish_sdk	12m 19s
Tag release if labeled as needs-release	2s
	36m 11s

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