[A11Y] Correctifs des éléments relevés dans le contre audit (#701)

assets/js/theme/components/carousel/carousel.js

assets/js/theme/components/carousel/manager.js

assets/js/theme/components/carousel/slide.js

assets/js/theme/components/carousel/slider.js

assets/js/theme/design-system/search.js

assets/sass/_theme/blocks/gallery.sass

assets/sass/_theme/blocks/posts.sass

assets/sass/_theme/design-system/search.sass

assets/sass/_theme/design-system/transcription.sass

assets/sass/_theme/hugo-osuny.sass

assets/sass/_theme/sections/locations.sass

i18n/en.yml

i18n/fr.yml

i18n/pt.yml

layouts/partials/blocks/templates/carousel.html

layouts/partials/blocks/templates/organizations.html

layouts/partials/blocks/templates/organizations/map.html

layouts/partials/blocks/templates/testimonials.html

layouts/partials/commons/address.html

layouts/partials/commons/contact-details.html