Update Features: Coding Standards section

[SajidAlamQB]

Description

A user noticed that the website "Features" page does not seem up-to-date. Section 05 "Coding Standards" mentions that the kedro template uses flake8, isort, and black but we have moved to using ruff.

Development notes

Updated the description for coding standards.

Checklist

• [ ] Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• [ ] Added tests to cover my changes, where applicable

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