Update Dockerfile with python debian image in cmd/initializer_v2/dataset/Dockerfile

[mani1soni]

Updated Dockerfile with python debian image for resolving issue :- "Use Debian images for Python components in the Training Operator V2 #2311" in this dockerfile - cmd/initializer_v2/dataset/Dockerfile

What this PR does / why we need it: This PR replaces the docker image from "python:3.11-alpine" to "python:3.11-slim-bookworm". As per the comment #2303.

Which issue(s) this PR fixes This PR Fixes #2311 issue.

[coveralls]

Pull Request Test Coverage Report for Build 11554548437

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 11542660312:	0.0%
Covered Lines:	77
Relevant Lines:	77

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💛 - Coveralls

[google-oss-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

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[andreyvelich]

/hold

[andreyvelich]

@mani1soni Thank you for this! Please can you also update the model initializer script and verify locally that this images is working with HF snapshot download API ?

[mani1soni]

@mani1soni Thank you for this! Please can you also update the model initializer script and verify locally that this images is working with HF snapshot download API ?

Sure @andreyvelich, I'll check that.