OCT-2282: Lowering the db connection pool size & adding settings for it #405

Job	Run time
Label check	4s
Start E2E Env / Start GitHub Environment	10s
Docker / Build Docker Image (contracts-v1)	19s
Docker / Build Docker Image (coin-prices-server)	18s
Docker / Build Docker Image (client)	18s
Docker / Build Docker Image (subgraph)	18s
Docker / Build Docker Image (backend)	18s
Docker / Build Multideployer (special case)	17s
Deploy E2E Env / Start Anvil	33s
Deploy E2E Env / Deploy Contracts	33s
Deploy E2E Env / Start Application Stack	36s
Deploy E2E Env / Wait for Application Readiness	2m 15s
Deploy E2E Env / Set deployment status	8s
Deploy E2E Env / Update persistent contracts	0s
Run E2E Tests	1h 26m 16s
Stop E2E Env / Destroy Environment	29s
	1h 32m 52s

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