Update Pattern Library pages to use new color scheme

cms/static/sass/programs/_components.scss

cms/static/sass/programs/_modals.scss

...apps/teams/static/teams/templates/team-profile.underscore

lms/static/certificates/sass/_base.scss

lms/static/certificates/sass/_components.scss

lms/static/certificates/sass/_config.scss

lms/static/certificates/sass/_layouts.scss

lms/static/certificates/sass/_print.scss

lms/static/sass/elements/_banners.scss

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

lms/static/sass/elements/_icons.scss

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

lms/static/sass/shared-v2/_footer.scss

lms/static/sass/shared-v2/_help-tab.scss

lms/static/sass/shared-v2/_modal.scss

lms/static/sass/shared-v2/_variables.scss

lms/static/sass/views/_program-details.scss

lms/templates/discussion/_discussion_course_navigation.html

lms/templates/discussion/_discussion_inline.html

lms/templates/ux/reference/course-skeleton.html