feat(queueconfig): add ChangeProvider, MergeChecker, LandProvider as … #178

Job	Run time
Storage Extension Test	2m 35s
Counter Extension Test	2m 37s
Gateway Integration Test	4m 16s
Queue Extension Test	4m 23s
Orchestrator Integration Test	4m 13s
E2E Integration Test	4m 26s
Build and Unit Test	10m 45s
Required Checks	4s
	33m 19s

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