feat(providers): add xAI to hosted key rotation pool (#5574) #21916

Job	Run time
Detect Version	4s
Test and Build / Test and Build	6m 28s
Check Docs Changes	0s
Migrate Dev DB	0s
Deploy Trigger.dev (Dev)	0s
Build Dev ECR	0s
Build ARM64 (GHCR Only)	0s
Migrate DB / Apply Database Migrations	25s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	2m 50s
Build AMD64 (./docker/pii.Dockerfile, ghcr.io/simstudioai/pii, ECR_PII)	23s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	25s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	40s
Process Docs	0s
Create GHCR Manifests	-1s
Create GitHub Release	-1s
	11m 13s

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