Update documentation on StepArgumentTransformation

[AidenFuller]

Clarify the use of the 'Name' property in StepArgumentTransformation.

🤔 What's changed?

Updated documentation to improve clarity around the intended usage of the "Name" property for StepArgumentTransformation

⚡️ What's your motivation?

• Resolves a discussion question
• Clarity!!

🏷️ What kind of change is this?

• 📖 Documentation (improvements without changing code)

♻️ Anything particular you want feedback on?

Correctness :)

📋 Checklist:

• I have updated the documentation accordingly.

[304NotModified]

@gasparnagy adding you as reviewer as I'm not 100% sure (see https://github.com/orgs/reqnroll/discussions/974#discussioncomment-15294889)

[Copilot]

Pull request overview

This PR updates the documentation for the StepArgumentTransformation attribute to clarify the purpose and behavior of the Name property. The update addresses a community discussion question by explaining that while the Name property allows parameters to be specified with that name in Cucumber expressions, it doesn't enforce strict scoping and is primarily intended for clarity.

Key Changes:

• Added documentation explaining the Name property's purpose for specifying parameter names in Cucumber expressions
• Clarified that the Name property doesn't enforce strict scoping but serves as a clarity mechanism

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[304NotModified]

/home/runner/work/Reqnroll/Reqnroll/docs/automation/step-argument-conversions.md:105: WARNING: 'myst' cross-reference target not found: 'cucumber-expressions#parameters' [myst.xref_missing]

[gasparnagy]

Happy with the text, if we fix the ref issue, it can be merged.

[gasparnagy]

thx