Update AST CLI base image to version 2.3.57

[cx-atish-jadhav]

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Description

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References

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Testing

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Checklist

• I have added documentation for new/changed functionality in this PR (if applicable).
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used

[stepsecurity-app]

Security Policy Alert: Secret Policy Violation

This workflow run has been blocked by StepSecurity's secrets policy because it accesses secrets and the workflow file differs from the default branch.

Secret references detected:

• secrets.CX_BASE_URI at line 34
• secrets.CX_TENANT at line 54
• secrets.CX_CLIENT_ID at line 55
• secrets.CX_CLIENT_SECRET at line 56

To approve this workflow, please add the workflows-approved label to this PR.

Note: The label must be added by someone other than the PR author (cx-atish-jadhav) or automation bots to ensure proper security review.

After the label is added, you can re-run the blocked workflow to proceed.

This workflow will be automatically approved once merged into the default branch.

For more information, see StepSecurity's Secret Exfiltration Policy documentation.

[cx-anurag-dalke]

ok