Update GitHub profile & repo link

examples/webgl_cascadedshadowmaps.html

@@ -11,7 +11,7 @@
 		<div id="container"></div>
 		<div id="info">
 			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - cascaded shadow maps<br>
-			by <a href="https://github.com/vtHawk" target="_blank" rel="noopener">vtHawk</a> (<a href="https://github.com/vtHawk/three-csm" target="_blank" rel="noopener">original repository</a>)
+			by <a href="https://github.com/vHawk" target="_blank" rel="noopener">vHawk</a> (<a href="https://github.com/vHawk/three-csm" target="_blank" rel="noopener">original repository</a>)
 		</div>
 
 		<script type="module">