chore: update sponsors

Author: kamilmysliwiec

img/slotsup-logo.png

@@ -931,6 +931,12 @@ <h5>Sponsors / Partners</h5>
               class="company-logo"
             />
           </a>
+          <a href="https://www.slotsup.com/" target="_blank" rel="nofollow">
+            <img
+              src="img/slotsup-logo.png"
+              class="company-logo"
+            />
+          </a>
         </div>
         <!-- <div class="support-section sponsor-tiles sponsor-tiles--high">
           <h5>Community partners</h5>