Check Scripts Fixes

[sankalps0549]

Description

• Fixed the check_spdx.py script to fail the CI if the headers are missing.
• Made CI jobs parallel:
  • static-checks - check_localization, check_spdx
  • test - build, lint, test, coverage
  • build-docs
• Fixed linting for both script files

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist

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• I have read the CONTRIBUTING document
• My code follows the style guidelines of this project
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have updated the documentation accordingly
• I have added a note to CHANGELOG.md describing my changes
• My changes generate no new warnings
• Any dependent changes have been merged and published

Testing

N/A

Additional Notes

N/A