Merge branch 'feature/ISTWCMS-4790-ebremner-tabs-links' into '8.x-3.x'

css/styles.css

source/_annotations/annotations.js

...patterns/04-components/expand-collapse/expand-collapse.js

...erns/04-components/facts-and-figures/facts-and-figures.js

...ce/_patterns/04-components/image-gallery/image-gallery.js

...s/04-components/menu/menu--horizontal/menu--horizontal.js

...patterns/04-components/multi-type-list/multi-type-list.js

...tterns/04-components/multi-type-list/multi-type-list.twig

...atterns/04-components/multi-type-list/multi-type-list.yml

...ponents/search/search--wcms-header/search--wcms-header.js

...s/search/search--wcms-headerbar/search--wcms-headerbar.js

source/_patterns/04-components/tabs/_tabs.scss

source/_patterns/04-components/tabs/_tabs.twig

...terns/04-components/tabs/tabs--content/tabs--content.twig

...tterns/04-components/tabs/tabs--content/tabs--content.yml

...e/_patterns/04-components/tabs/tabs--link/tabs--link.twig

...ce/_patterns/04-components/tabs/tabs--link/tabs--link.yml

source/_patterns/04-components/tabs/tabs.twig

...tterns/04-components/teaser/teaser--blog/teaser--blog.yml

...rns/04-components/teaser/teaser--event/teaser--event.twig