feat: switch to bookworm debian base image

[andyzhangx]

What type of PR is this?
/kind feature

What this PR does / why we need it:
feat: switch to bookworm debian base image

bookworm debian base image has fewer CVEs compared to bulleye debian base image

# bookworm 
==============================================
Total: 97 (UNKNOWN: 0, LOW: 72, MEDIUM: 14, HIGH: 10, CRITICAL: 1)

# bulleye
==============================================
Total: 210 (UNKNOWN: 0, LOW: 104, MEDIUM: 47, HIGH: 50, CRITICAL: 9)

Which issue(s) this PR fixes:

Fixes #642

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

feat: switch to bookworm debian base image

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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[jl-coogan]

@andyzhangx, can you please cut a new patch release? This is a great win from a vulnerability perspective.

Thank you.