🚸(feedback) better wording

"on Meet" was misleading, it was like, "give us feedback by going on
'meet'. Let's be straightforward

src/frontend/src/locales/en/global.json

@@ -6,7 +6,7 @@
   "error": {
     "heading": "An error occured while loading the page"
   },
-  "feedbackAlert": "Give us feedback on Meet",
+  "feedbackAlert": "Give us feedback",
   "forbidden": {
     "heading": "You don't have the permission to view this page"
   },

src/frontend/src/locales/fr/global.json

@@ -6,7 +6,7 @@
   "error": {
     "heading": "Une erreur est survenue lors du chargement de la page"
   },
-  "feedbackAlert": "Donnez-nous votre avis sur Meet",
+  "feedbackAlert": "Donnez-nous votre avis",
   "forbidden": {
     "heading": "Accès interdit"
   },