fix(dummy): update github link

Author: knownasilya

tests/dummy/app/index/template.hbs

@@ -3,7 +3,7 @@
     <h1>{{inline-svg 'icon'}} ember-page-title</h1><nav>
       <a href="#usage">Usage</a>
       <a href="#playground">Playground</a>
-      <a href="https://github.com/tim-evans/ember-page-title" target="__blank">GitHub</a>
+      <a href="https://github.com/adopted-ember-addons/ember-page-title" target="__blank">GitHub</a>
     </nav>
   </header>