fix(clerk-js): Improve focus-visible contrast to improve a11y#7081

alexcarpenter wants to merge 10 commits intomainclerk/javascript:mainfrom

alexcarpenter/user-3687-wcag-failure-focus-indicator-has-insufficient-color-contrastclerk/javascript:alexcarpenter/user-3687-wcag-failure-focus-indicator-has-insufficient-color-contrastCopy head branch name to clipboard