Dropdown 2.0 Update

[bdfranck]

Acceptance criteria

Design Tokens

• All design tokens are updated to match the new 2.0 designs
  • Has new & updated colour values
  • Has new & updated border radius values
  • Has new & updated shadow & elevation values
  • Has new & updated typography values

Web Component

• Has references to new design tokens
• Has old CSS values as fallbacks

Testing

• When using the new design tokens it looks and behaves like the updated v2 component
• When using the old design tokens it looks and behaves like the current component