Update GitHub Actions workflows. (#256) #116

Job	Run time
prerequisites	1m 57s
lint / lint	2m 16s
License Check / License Check	38s
generate_coverage_data	1m 36s
build_sdk (nodejs)	1m 9s
build_sdk (python)	1m 13s
build_sdk (dotnet)	1m 3s
build_sdk (go)	1m 19s
build_sdk (java)	1m 13s
test (nodejs)	3m 26s
test (python)	3m 14s
test (dotnet)	2m 45s
test (go)	2m 56s
test (java)	2m 44s
publish	6m 9s
publish_sdk	14m 25s
Tag release if labeled as needs-release	2s
	48m 5s

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