Merge pull request #12908 from edx/renzo/course-card-upgrade-cta

lms/djangoapps/learner_dashboard/views.py

lms/static/js/learner_dashboard/models/course_card_model.js

...tic/js/learner_dashboard/views/certificate_status_view.js

lms/static/js/learner_dashboard/views/course_card_view.js

...static/js/learner_dashboard/views/upgrade_message_view.js

...static/js/spec/learner_dashboard/course_card_view_spec.js

lms/static/sass/elements/_course-card.scss

...templates/learner_dashboard/certificate_status.underscore

lms/templates/learner_dashboard/course_card.underscore

lms/templates/learner_dashboard/upgrade_message.underscore

openedx/core/djangoapps/programs/tests/test_utils.py

openedx/core/djangoapps/programs/utils.py