Release of NSW Design System v3.9.0

What's Changed

• fix/breadcrumbs-icon-hide-screenreader by @laurenhitchon in #318
• fix/main-nav-close-on-click by @laurenhitchon in #321
• Updates Accordion documentation labelling to update contract to colla… by @oisa in #323
• Feature/te 1809/update buttons doc layout by @oisa in #322
• Bump JamesIves/github-pages-deploy-action from 4.4.2 to 4.4.3 by @dependabot in #325
• feature/external-link-icon by @laurenhitchon in #320
• Update/whats happening by @laurenhitchon in #327

New Contributors

• @oisa made their first contribution in #323

Full Changelog: v3.8.0...v3.9.0