Add 'patch' verb to ClusterRole/Role for statefulsets scaling

[itzg]

• Add 'patch' verb to ClusterRole for statefulsets resource
• Required for versionless Patch operation used in auto-scaling
• Eliminates optimistic concurrency errors during scale operations
• Bump chart version to 1.4.1

This change supports the improved scaling logic in mc-router that uses strategic merge patches instead of Get+Update, avoiding resourceVersion conflicts when StatefulSets are modified concurrently.

Originally posted by @cpfarhood in itzg/minecraft-server-charts#280

[itzg]

Such as https://github.com/itzg/mc-router/tree/main/kustomize/overlays