Add script inventory coverage tests

[Dhruva162]

Summary

This PR adds smoke and regression tests to improve coverage for scripts under scripts/.

Changes

• Add an inventory test to ensure all scripts are covered by tests.
• Add smoke/regression tests for previously uncovered Python and shell scripts.
• Fix scripts/genkatdict.py by replacing json.dumps(...) with json.dump(...) so kats.json is correctly written.

Testing

py -3.12 -m pytest -q tests/test_alg_support_generators.py tests/test_scripts.py

[coveralls]

coverage: 82.296% (+0.001%) from 82.295% — Dhruva162:main into open-quantum-safe:main

[xuganyu96]

Please fix GitHub Actions failures.

Edit: this pull request is also a partial duplicate of #2466. I think it would be helpful for you to read #2466 decide if you want to rebase your test suite on top of that. Thank you

[xuganyu96]

@Dhruva162 Please address the comments regarding test failures and #2466 duplication. This pull request will be closed for staleness if there is no response in a few days.

[Dhruva162]

@Dhruva162 Please address the comments regarding test failures and #2466 duplication. This pull request will be closed for staleness if there is no response in a few days.

Thanks for the feedback. After reviewing #2466, I see there is significant overlap with my changes. Rather than duplicate effort, I'm happy to close this PR and work on a different issue or submit a follow-up PR for anything not covered there.

[xuganyu96]

Thanks for the feedback. After reviewing #2466, I see there is significant overlap with my changes. Rather than duplicate effort, I'm happy to close this PR and work on a different issue or submit a follow-up PR for anything not covered there.

Thank you for your time. I will close this pull request.