chore: Translate transifex_input.json in fr_CA

99% of minimum 50% translated source file: 'transifex_input.json'
on 'fr_CA'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

translations/frontend-app-course-authoring/src/i18n/messages/fr_CA.json

@@ -509,7 +509,7 @@
   "authoring.discussions.partial-support": "Support partiel",
   "authoring.discussions.full-support": "Support complet",
   "authoring.discussions.common-support": "Demande fréquente",
-  "authoring.discussions.hide-discussion-tab": "Hide discussion tab",
+  "authoring.discussions.hide-discussion-tab": "Masquer l'onglet de discussion",
   "authoring.discussions.hide-tab-title": "Masquer l'onglet de discussion?",
   "authoring.discussions.hide-tab-message": "L'onglet de discussion ne sera plus visible pour les apprenants dans le LMS. De plus, la publication sur les forums de discussion sera désactivée. Êtes-vous certain de vouloir continuer?",
   "authoring.discussions.hide-ok-button": "D'accord",