v4.0.2

Adds

• Adds the "contentCopy" option to the Icon component.
• Adds the Voice section to the Style Guide.
• Adds the textBackgroundColor and textColor props to the Hero component.

Updates

• Updates padding around clearable X button to avoid overlap in TextInput.
• Updates the Hero component to use the textBackgroundColor prop in lieu of the backgroundColor prop.
• Updates the Hero component to use the textColor prop in lieu of the foregroundColor prop.

Deprecates

• Deprecates the foregroundColor prop in the Hero component.