Use policy/v1 for pod disruption budget
Policy hasn't been a beta API since 4.7
This was causing errors when deploying to integration like:
```
error: unable to recognize "STDIN": no matches for kind "PodDisruptionBudget" in version "policy/v1beta1"
```
@@ -412,7 +412,7 @@ objects:
targetPort: ${{SVC_TARGET_PORT}}
selector:
app: assisted-service
-- apiVersion: policy/v1beta1
+- apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
labels:
