v1.18.0

🎉 New Feature

• base, button, card, core, dialog, dropdown, icon-action, input, notice, table, utility, vrembem
  • #364 Add new heading-scale variable map and heading-levels mixin

🏠 Refactor

• base, core, utility
  • #364 Also includes the following changes:
    • Remove the text-lead utility.
    • Adds better variable overrides to the base component.
    • Fix core line-height variable values.
    • Fix core padding-lg variable values.