Add graceful runtime shutdown to SDK clients #99

Job	Run time
Detect changed paths	8s
Skip (actions)	9s
Analyze (java-kotlin)	2m 26s
Analyze (go)	1m 12s
Analyze (python)	54s
Analyze (rust)	1m 51s
Analyze (csharp)	19m 33s
Analyze (javascript-typescript)	1m 12s
	27m 25s

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