Update examples for Client Credentials Flow (#1325) #3640

Job	Run time
Get minimum supported rust version	26s
test AutoRust	4m 5s
Code Style	3m 44s
Integration Tests (stable, false)	7m 28s
Integration Tests (1.70.0, false)	8m 28s
Integration Tests (nightly, true)	8m 51s
E2E Tests (stable, false)	38s
E2E Tests (1.70.0, false)	1m 8s
E2E Tests (nightly, true)	1m 13s
SDK Tests (stable, false)	8m 5s
SDK Tests (1.70.0, false)	8m 47s
SDK Tests (nightly, true)	8m 39s
Services Tests (stable, false)	23m 18s
Services Tests (1.70.0, false)	23m 44s
Services Tests (nightly, true)	29m 39s
	2h 18m 13s

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