🌐(frontend) add missing internationalization for "micro désactivé"

Fix overlooked French text that wasn't properly internationalized in
the microphone status display.

src/frontend/src/features/settings/components/tabs/AudioTab.tsx

@@ -132,7 +132,7 @@ export const AudioTab = ({ id }: AudioTabProps) => {
           {localParticipant.isMicrophoneEnabled ? (
             <ActiveSpeaker isSpeaking={isSpeaking} />
           ) : (
-            <span>Micro désactivé</span>
+            <span>{t('audio.microphone.disabled')}</span>
           )}
         </>
       </RowWrapper>

src/frontend/src/locales/de/settings.json

@@ -9,7 +9,8 @@
   "audio": {
     "microphone": {
       "heading": "Mikrofon",
-      "label": "Wählen Sie Ihre Audioeingabe"
+      "label": "Wählen Sie Ihre Audioeingabe",
+      "disabled": "Mikrofon deaktiviert"
     },
     "speakers": {
       "heading": "Lautsprecher",

src/frontend/src/locales/en/settings.json

@@ -9,7 +9,8 @@
   "audio": {
     "microphone": {
       "heading": "Microphone",
-      "label": "Select your audio input"
+      "label": "Select your audio input",
+      "disabled": "Microphone disabled"
     },
     "speakers": {
       "heading": "Speakers",

src/frontend/src/locales/fr/settings.json

@@ -9,7 +9,8 @@
   "audio": {
     "microphone": {
       "heading": "Micro",
-      "label": "Sélectionner votre entrée audio"
+      "label": "Sélectionner votre entrée audio",
+      "disabled": "Micro désactivé"
     },
     "speakers": {
       "heading": "Haut-parleurs",

src/frontend/src/locales/nl/settings.json

@@ -9,7 +9,8 @@
   "audio": {
     "microphone": {
       "heading": "Microfoon",
-      "label": "Selecteer uw audioinvoer"
+      "label": "Selecteer uw audioinvoer",
+      "disabled": "Microfoon uitgeschakeld"
     },
     "speakers": {
       "heading": "Luidsprekers",