fix: accessibilité des composants (#70)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|                  |                 |

## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [ ] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

---------

Co-authored-by: admin malio <malio@yuno.malio.fr>
Co-authored-by: THOLOT DECHENE Matthieu <matthieu@yuno.malio.fr>
Co-authored-by: matthieu <matthieu@yuno.malio.fr>
Reviewed-on: #70
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

app/components/malio/button/Button.vue

@@ -84,7 +84,7 @@ const variantClasses = computed(() => {
 
 const mergedButtonClass = computed(() =>
   twMerge(
-    'inline-flex w-[180px] h-[38px] items-center justify-center gap-1 p-[10px] rounded-md text-base font-bold leading-[150%] transition-colors duration-150 focus:outline-none focus-visible:ring-2 focus-visible:ring-m-primary/50',
+    'inline-flex w-[180px] h-[38px] items-center justify-center gap-1 p-[10px] rounded-md text-base font-bold leading-[150%] transition-colors duration-150 m-focus-ring',
     variantClasses.value,
     props.buttonClass,
   ),

app/components/malio/button/ButtonIcon.vue

@@ -52,7 +52,7 @@ const isFilled = computed(() => props.variant === 'filled')
 
 const mergedButtonClass = computed(() =>
   twMerge(
-    'inline-flex items-center justify-center rounded-md p-1 transition-colors duration-150 focus:outline-none focus-visible:ring-2 focus-visible:ring-m-primary/50',
+    'inline-flex items-center justify-center rounded-md p-1 transition-colors duration-150 m-focus-ring',
     isFilled.value
       ? props.disabled
         ? 'bg-m-disabled text-white cursor-not-allowed'