fix(bullmq): restore CONCURRENCY_CONTROL_ENABLED flag guard (#3903) #13315

Job	Run time
Detect Version	4s
Test and Build / Test and Build	4m 12s
Check Docs Changes	0s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	5m 25s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	6m 43s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	2m 7s
Build ARM64 (GHCR Only)	-1s
Process Docs	0s
Create GitHub Release	0s
Create GHCR Manifests	0s
	18m 30s

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