Why does HPA inexplicably scale up?

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Please see the records of the HPA watch in the screenshot. Why did the scale up occur in the red box?

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the hpa yaml:

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: test-autoscaler
  namespace: test-operator
spec:
  minReplicas: 1
  maxReplicas: 3
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: test
  metrics:
    - type: Resource
      resource:
        name: cpu
        target:
          type: Utilization
          averageUtilization: 60

Cluster information:

Kubernetes version: 1.30.6
Cloud being used: azure kubernates service (put bare-metal if not on a public cloud)
Installation method:
Host OS: linux
CNI and version:
CRI and version: