chore: uat tests down to 1 node

Author: mchmarny

tests/uat/aws/config.yaml

@@ -79,7 +79,7 @@ compute:
         - name: gpu-worker
           instanceType: p5.48xlarge
           capacity:
-            desired: 2
+            desired: 1
             reservation:
               preference: capacity-reservations-only
               target: cr-0cbe491320188dfa6

tests/uat/gcp/config.yaml

@@ -95,8 +95,8 @@ compute:
             - us-central1-c
           autoscaling:
             enabled: true
-            minNodes: 2
-            maxNodes: 2
+            minNodes: 1
+            maxNodes: 1
           guestAccelerator:
             type: nvidia-h100-mega-80gb
             count: 8