chore: Translate djangojs.po in fr_CA

98% of minimum 50% translated source file: 'djangojs.po'
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/edx-platform/conf/locale/fr_CA/LC_MESSAGES/djangojs.po

@@ -7399,9 +7399,9 @@ msgstr[2] "%(value)s minutes"
 #: xmodule/js/src/video/06_video_progress_slider.js:330
 msgid "%(value)s second"
 msgid_plural "%(value)s seconds"
-msgstr[0] ""
-msgstr[1] ""
-msgstr[2] ""
+msgstr[0] "%(value)s seconde"
+msgstr[1] "%(value)s secondes"
+msgstr[2] "%(value)s secondes"
 
 #: xmodule/js/src/video/07_video_volume_control.js:70
 msgid ""