Upstash: Upstash added 'Primary Replicas' to the Free plan feature list.

["Persistence","REST API","TLS Encryption","REST API","Community Support","Platforms: AWS, GCP, Vercel"] → ["Persistence","REST API","TLS Encryption","Community Support","Primary Replicas","Platforms: AWS, GCP, Vercel"]

Upstash added 'Primary Replicas' to the Free plan feature list. A duplicate 'REST API' entry was also removed from the list.