Fix auto_scaling_group asg failed multi line warn log

[krrrr38]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Change multiline warn log into single log using required information not to output multi line output.

See also #7702

Which issue(s) this PR fixes:

Fixes #7702

Special notes for your reviewer:

N/A

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

NONE

[k8s-ci-robot]

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[krrrr38]

ASG Name is already shown, so we may require only StatusMessage only. And this become single line output.

W0116 07:10:42.815402       1 auto_scaling_groups.go:551] ASG eks-batch-spot202407091400-ap-northeast-1a-72c85d24-0d0c-3317-6d99-xxxxxxxxxxxx scaling failed with {
  ActivityId: "4b6651b7-c98a-a0c3-5fe1-xxxxxxxxxxxx",
  AutoScalingGroupARN: "arn:aws:autoscaling:ap-northeast-1:xxxxxxxxxxxx:autoScalingGroup:15be2ddc-7564-4bf2-bb35-xxxxxxxxxxxx:autoScalingGroupName/eks-batch-spot202407091400-ap-northeast-1a-72c85d24-0d0c-3317-6d99-xxxxxxxxxxxx",
  AutoScalingGroupName: "eks-batch-spot202407091400-ap-northeast-1a-72c85d24-0d0c-3317-6d99-xxxxxxxxxxxx",
  Cause: "At 2025-01-16T07:09:48Z an instance was started in response to a difference between desired and actual capacity, increasing the capacity from 0 to 1.",
  Description: "Launching a new EC2 instance.  Status Reason: Could not launch Spot Instances. UnfulfillableCapacity - Unable to fulfill capacity due to your request configuration. Please adjust your request and try again. Launching EC2 instance failed.",
  Details: "{\"Subnet ID\":\"subnet-xxxxxxxxxxxx\",\"Availability Zone\":\"ap-northeast-1a\"}",
  EndTime: 2025-01-16 07:09:49 +0000 UTC,
  Progress: 100,
  StartTime: 2025-01-16 07:09:49.096 +0000 UTC,
  StatusCode: "Failed",
  StatusMessage: "Could not launch Spot Instances. UnfulfillableCapacity - Unable to fulfill capacity due to your request configuration. Please adjust your request and try again. Launching EC2 instance failed."
}

[Shubham82]

/ok-to-test