Update GitHub Actions workflows. (#2045) #468

Job	Run time
prerequisites	6m 1s
lint / lint	3m 55s
License Check / License Check	47s
generate_coverage_data	8m 24s
build_sdk (nodejs)	4m 23s
build_sdk (python)	3m 55s
build_sdk (dotnet)	5m 4s
build_sdk (go)	8m 2s
build_sdk (java)	5m 3s
test (nodejs)	17m 35s
test (python)	14m 2s
test (dotnet)	8m 43s
test (go)	25m 41s
test (java)	11m 6s
publish	23m 41s
publish_sdk	5m 59s
Tag release if labeled as needs-release	4s
	2h 32m 25s

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