Add ruff linting

[Pierre Siddall (Pierre-siddall)]

PR Summary

Code Reviewer:

This PR aims to add a ruff linting action to the MOCI CI/CD pipeline and convert the current pylint.rc file to the ruff equivalent using a ruff.toml file

closes #15

Code Quality Checklist

(Some checks are automatically carried out via the CI pipeline)

• I have performed a self-review of my own code
• My code follows the project's style guidelines
• Comments have been included that aid undertanding and enhance the
  readability of the code
• My changes generate no new warnings

Testing

• I have tested this change locally, using the Moci rose-stem suite
• If any tests fail (rose-stem or CI) the reason is understood and
  acceptable (eg. kgo changes)
• I have added tests to cover new functionality as appropriate (eg. system
  tests, unit tests, etc.)

Security Considerations

• I have reviewed my changes for potential security issues
• Sensitive data is properly handled (if applicable)
• Authentication and authorisation are properly implemented (if applicable)

Performance Impact

• Performance of the code has been considered and, if applicable, suitable
  performance measurements have been conducted

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• Some of the content of this change has been produced with the assistance
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  (including attribution labels)

Documentation

• Where appropriate I have updated documentation related to this change and
  confirmed that it builds correctly

Code Review

• All dependencies have been resolved
• Related Issues have been properly linked and addressed
• CLA compliance has been confirmed
• Code quality standards have been met
• Tests are adequate and have passed
• Documentation is complete and accurate
• Security considerations have been addressed
• Performance impact is acceptable

[Copilot]

Pull request overview

This PR introduces Ruff as the Python linter in the CI pipeline, replacing the previously committed Pylint configuration.

Changes:

• Removed the legacy Utilities/pylint.rc.
• Added Ruff configuration (ruff.toml) and a new GitHub Actions workflow to run Ruff on pull requests.
• Added a second Ruff config under .github/ruff.toml (currently duplicative/inconsistent with the root config).

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 5 comments.

File	Description
Utilities/pylint.rc	Removes the old Pylint configuration file from the repo.
ruff.toml	Adds Ruff configuration for linting/formatting settings.
.github/workflows/ruff-lint.yaml	Adds a PR-triggered workflow to run Ruff in CI.
.github/ruff.toml	Adds an additional Ruff config file under .github/ (currently duplicates root config with small differences).

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