fix gh link

Author: erubboli

deploy/index.html

@@ -711,7 +711,7 @@ <h3>Web Interface</h3>
   </a>
 
   <div class="footer-links">
-    <a href="https://github.com/mintlayer/mintlayer-web-gui">GitHub</a>
+    <a href="https://github.com/mintlayer">GitHub</a>
     <a href="https://www.mintlayer.org/wallet">Wallet</a>
     <a href="https://www.mintlayer.org/technology">Technology</a>
     <a href="https://docs.mintlayer.org">Documentation</a>