chore: update sponsors

Author: kamilmysliwiec

index.html

@@ -805,7 +805,7 @@ <h5>Sponsors / Partners</h5>
               class="company-logo company-logo--wide"
             />
           </a>
-          <a href="https://nongamstopcasinos.net/" target="_blank" rel="nofollow">
+          <a href="https://nongamstopcasinos.net/gb/" target="_blank" rel="nofollow">
             <img
               src="img/nongamstopcasinos-logo.png"
               class="company-logo company-logo--wide"