Migrate accessibility rubocop rule ImageHasAlt from dotcom to erblint-github#105

bolonio merged 4 commits into

mastergithub/rubocop-github:masterfrom

accessibility/issues/1430/migrate-a11y-rubocop-rules-image-has-altgithub/rubocop-github:accessibility/issues/1430/migrate-a11y-rubocop-rules-image-has-altCopy head branch name to clipboard