fix(ollama): use Recreate strategy to avoid RWO PVC conflict

RollingUpdate caused rollout deadlocks because the PVC (ReadWriteOnce)
cannot be mounted by two pods simultaneously.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

ollama/ollama.yaml

@@ -28,6 +28,8 @@ metadata:
     app: ollama
 spec:
   replicas: 1
+  strategy:
+    type: Recreate
   selector:
     matchLabels:
       app: ollama