fix(iac): removed FeatureFlagNotEnabled error and updated snyk-iac-test [IAC-3235]

[ioannacaba]

Pull Request Submission Checklist

• Follows CONTRIBUTING guidelines
• Includes detailed description of changes
• Contains risk assessment (Low | Medium | High)
• Highlights breaking API changes (if applicable)
• Links to automated tests covering new functionality
• Includes manual testing instructions (if necessary)
• Updates relevant GitBook documentation (PR link: ___)
• Includes product update to be announced in the next stable release notes

What does this PR do?

Removes the FeatureFlagNotEnabled error code that was mapping an error we added in snyk-iac-test to stop the scan of an IaC project when we run snyk iac test --report with the FF iacNewEngine being enabled. As we completed the CLI flow, we can now safely create an IaCV2 Project in the UI therefore we can stop adding an error when we try to do a scan from the CLI with iacNewEngine FF enabled and the --report command.
Update the snyk-iac-test to latest version where we removed this error.

Risk: low

Where should the reviewer start?

<local build> iac test --org=<org_that_has_iacv2>

How should this be manually tested?

Run comand: snyk iac test --report on an IaC Project, having the FF iacNewEngine enabled. This command should run a complete scan your IaC Project and create a target in the UI and not the error: flag --report is not yet supported when iacNewEngine flag is enabled.

Any background context you want to provide?

Changes included: https://github.com/snyk/snyk-iac-test/compare/v0.57.5...v0.57.7

What's the product update that needs to be communicated to CLI users?

What are the relevant tickets?

IAC-3235

[github-actions]

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