chore: update sponsors

Author: kamilmysliwiec

img/releaf-logo.png

@@ -892,6 +892,12 @@ <h5>Sponsors / Partners</h5>
               class="company-logo company-logo--high"
             />
           </a>
+          <a href="https://releaf.co.uk/" target="_blank" rel="nofollow">
+            <img
+              src="img/releaf-logo.png"
+              class="company-logo company-logo--high"
+            />
+          </a>
         </div>
         <div class="support-section sponsor-tiles sponsor-tiles--high">
           <h5>Community partners</h5>