fix(mcp): bound OAuth discovery/DCR/token fetches with a timeout (#5776) #22747

Job	Run time
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	1m 13s
Test and Build / Lint and Test	3m 4s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	26s
Build AMD64 (./docker/pii.Dockerfile, ghcr.io/simstudioai/pii, ECR_PII)	3m 8s
Detect Version	5s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 18s
Test and Build / Build App	3m 9s
Deploy Trigger.dev (Dev)	0s
Check Docs Changes	0s
Build ARM64 (GHCR Only)	0s
Migrate Dev DB	0s
Build Dev ECR	0s
Migrate DB / Apply Database Migrations	36s
Promote Images	15s
Create GHCR Manifests	-1s
Create GitHub Release	-1s
Process Docs	-1s
	17m 11s

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