Fix script for code validation

• The changes make use of the code-validator image 1.0.0 to fix issues that were seen with the shell script in the code validator.

  The code validator image changes address the following issues: https://internal-tracker.builder.ai/#/projects/3651?storyId=1978123

  https://internal-tracker.builder.ai/#/projects/3651?storyId=1976134

  Project where the changes have been tested: https://gitlab.builder.ai/builder/builder-bx/Bx/assembler_projects/stg/autobxengpro06043183-178150-ruby/-/merge_requests

• Other changes include clarifying the output of the code validator