Release 3.5.5

Bug Fixes

• aria-input-field-name: add the missing word must to help metadata (b0f5562)
• color-contrast: fix font-weight calculation for safari (205b587)
• configure: validate rules and checks properties (8c91ead)
• is-visible: return false for opacity: 0 and 0 height scrollable regions (86ada3f)
• listitem: do not fail for parent with role=presentation|none (a3ddc6e)
• meta-viewport: don't throw error if viewport property doesn't have a value (2176794)