fix: replace ugettext with gettext (#33022)

xmodule/capa/templates/codeinput.html

@@ -1,6 +1,6 @@
 <%page expression_filter="h"/>
 <%!
-from django.utils.translation import ugettext as _
+from django.utils.translation import gettext as _
 from openedx.core.djangolib.markup import HTML
 %>
 <div id="textbox_${id}" class="capa_inputtype textbox cminput">