[web] interviews/marketing: show YouTube icon in card

(cherry picked from commit 2bd692b6e449d3172725b5e7fb483ec44c0e6744)

apps/web/src/components/interviews/marketing/testimonials/InterviewsMarketingTestimonialCard.tsx

@@ -5,6 +5,7 @@ import {
   RiLinkedinBoxFill,
   RiMediumFill,
   RiTwitterXLine,
+  RiYoutubeFill,
 } from 'react-icons/ri';
 
 import { useIntl } from '~/components/intl';
@@ -135,6 +136,10 @@ export default function InterviewsMarketingTestimonialCard({
                   return RiTwitterXLine;
                 }
 
+                if (authorUrl.includes('youtube.com')) {
+                  return RiYoutubeFill;
+                }
+
                 if (authorUrl.includes('medium.com')) {
                   return RiMediumFill;
                 }