ci: enable GitHub Merge Queue support #236

Job	Run time
Queue Extension Test	1m 23s
Storage Extension Test	1m 11s
E2E Integration Test	1m 28s
Build and Unit Test	1m 40s
Gateway Integration Test	1m 24s
Counter Extension Test	2m 1s
Orchestrator Integration Test	1m 43s
Required Checks	4s
	10m 54s

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