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

@@ -271,7 +271,7 @@
   "course-authoring.course-outline.configure-modal.advanced-tab.set-special-exam": "Définir comme un examen spécial",
   "course-authoring.course-outline.configure-modal.advanced-tab.none": "Aucun",
   "course-authoring.course-outline.configure-modal.advanced-tab.timed": "Chronométré",
-  "course-authoring.course-outline.configure-modal.advanced-tab.timed-description": "Use a timed exam to limit the time learners can spend on problems in this subsection. Learners must submit answers before the time expires. You can allow additional time for individual learners through the instructor Dashboard.",
+  "course-authoring.course-outline.configure-modal.advanced-tab.timed-description": "Utilisez un examen surveillé afin de limiter le temps que les apprenants peuvent passer sur les problèmes dans cette sous-section. Les apprenants doivent soumettre leurs réponses avant que le temps n'expire. Vous pouvez ajouter du temps additionnel par apprenant via le tableau de bord de l'instructeur.",
   "course-authoring.course-outline.configure-modal.advanced-tab.title": "Advanced",
   "course-authoring.course-outline.configure-modal.advanced-tab.time-allotted": "Time Allotted (HH:MM):",
   "course-authoring.course-outline.configure-modal.advanced-tab.time-limit-description": "Select a time allotment for the exam. If it is over 24 hours, type in the amount of time. You can grant individual learners extra time to complete the exam through the Instructor Dashboard.",