CDI upload failed

[mengkai514]

What happened:
How much space will CDI occupy on /scratch during the upload process? Our PVC size is set to 40Gi, and the image-related information is as follows:

Additional context:
Add any other context about the problem here.

Environment:

• CDI version (use kubectl get deployments cdi-deployment -o yaml): v1.54.0
• Kubernetes version (use kubectl version): N/A
• DV specification: N/A
• Cloud provider or hardware configuration: N/A
• OS (e.g. from /etc/os-release): N/A
• Kernel (e.g. uname -a): N/A
• Install tools: N/A
• Others: N/A

[awels]

Until recently when we create the scratch space, we didn't take the filesystem overhead into account. Which means the scratch space is likely about 5% too small if your image is almost at capacity. We did fix that with this PR #3384 and it looks like we backported it to 1.58