add adyen logo (#12704)

Author: wing328

website/src/dynamic/users.yml

@@ -13,6 +13,11 @@
   image: "img/companies/adesso.png"
   infoLink: "https://www.adesso.de/"
   pinned: false
+-
+  caption: "Adyen"
+  image: "img/companies/adyen.png"
+  infoLink: "https://www.adyen.com/"
+  pinned: false
 -
   caption: "Agoda"
   image: "img/companies/agoda.png"