Update logo

Author: knolleary

index.html

@@ -164,7 +164,7 @@ <h3>Who's using Node-RED?</h3>
                 <li><a href="https://www.multitech.com/"><img src="users/multitech.png"/></a></li>
                 <li><a href="https://www.opto22.com/"><img src="users/opto22.png"/></a></li>
                 <li><a href="https://www.iaconnects.co.uk/"><img src="users/iaconnects.png"/></a></li>
-                <li><a href="https://www.flowfuse.com/"><img src="users/flowfuse.png"/></a></li>
+                <li><a href="https://www.flowfuse.com/"><img src="users/flowfuse.svg"/></a></li>
                 <li><a href="https://www.qbee.io/"><img src="users/qbee.png.webp"/></a></li>
             </ul>
             <p style="text-align:center;"><a href="/about/community/">Want to feature here? Let us know!</a></p>