[UIK-3606][icon] added new chartVenn icon

[sheila-semrush]

Motivation and Context

Added a new ChartVenn icon.

Types of changes

• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).
• Nice improve.

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly or it's not required.
• Unit tests are not broken.
• I have added changelog note to corresponding CHANGELOG.md file with planned publish date.
• I have added new unit tests on added of fixed functionality.

[sheila-semrush]

@Valeria-Zimnitskaya I also edited the icons_in_other_elements_example story so that you can easily replace one icon with another by editing the import path (no need to update the icon name further in the code)