Release v6.4.0

[tynandebold]

Description

It's a minor-version, since we have some meatier things going in, such as:

Major features and improvements

• Add feature hint cards to illuminate features of the app. (Feature Hint cards and app walkthrough #1454)
• Add support for displaying dataset statistics in the metadata panel. (Visualize Dataset statistics in metadata panel #1472)

Bug fixes and other changes

• Fix dataset and global toolbar error with standalone React component (kedro-viz with React Component #1351)
• Fix incorrect rendering of datasets in modular pipelines. (Fix incorrect data node rendering for modular pipelines  #1439)
• Fix broken SVG/PNG exports in light theme. (Fix for broken svg/png exports in light theme #1463)
• Fix ImportError as kedro-datasets is now lazily loaded (Fix CI due to lazy-loading #1481).
• Fix Sidebar search result based on Pretty name setting (Fix for sidebar search result based on Pretty name flag #1485)
• Fix issue of encountering a blank page in Safari when interacting with modular pipelines. (Fix Safari blank page when clicking on modular pipelines #1488)

QA notes

View the Gitpod link and make sure all is good.

Checklist

• Read the contributing guidelines
• Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• Updated the documentation to reflect the code changes
• Added new entries to the RELEASE.md file
• Added tests to cover my changes

[merelcht]

[rashidakanchwala]

this is an exciting release!!!

[ravi-kumar-pilla]

Looks good to me !! Awesome