CI: update gh sponsor list

Author: Ziggy

assets/github-sponsors-homepage.html

@@ -17,5 +17,4 @@
 <li>Will Manning</li>
 <li>Spiral</li>
 <li>Alok Parlikar</li>
-<li>Keygen</li>
 <li>Numan</li>

assets/github-sponsors-release-notes.html

@@ -28,7 +28,6 @@
 <li><a href="https://spiraldb.com" rel="nofollow noopener" target="_blank" class="external-link">Spiral</a></li>
 <li><a href="http://www.parlikar.com" rel="nofollow noopener" target="_blank" class="external-link">Alok Parlikar</a></li>
 <li><a href="https://huly.io" rel="nofollow noopener" target="_blank" class="external-link">Huly® Platform™</a></li>
-<li><a href="https://keygen.sh" rel="nofollow noopener" target="_blank" class="external-link">Keygen</a></li>
 <li><a href="https://github.com/marximimus" rel="nofollow noopener" target="_blank" class="external-link">marximimus</a></li>
 <li><a href="https://twitter.com/gazumps" rel="nofollow noopener" target="_blank" class="external-link">Numan</a></li>
 <li>Reuben Dunnington</li>
@@ -59,7 +58,6 @@
 <li>Josh Ashby</li>
 <li>Chris Baldwin</li>
 <li>Malcolm Still</li>
-<li>Nathan Bourgeois</li>
 <li>Fawzi Mohamed</li>
 <li>Ian Johnson</li>
 <li>Carlos Pizano Uribe</li>
@@ -85,7 +83,6 @@
 <li>daily.dev</li>
 <li>Sonic</li>
 <li>Matteo De Wint</li>
-<li>FumingPower</li>
 <li>Matteias Collet</li>
 <li>smallkirby</li>
 <li>Stefan Hagen</li>