Fix link to changelog

Fixes #98

Author: QuLogic

docs/_templates/landing_footer.html

@@ -60,8 +60,7 @@ <h1>Matplotlib</h1>
       <dt>Latest Stable Release</dt>
       <dd>
         <a href="https://matplotlib.org/stable">docs</a> |
-        <a href="https://matplotlib.org/stable/users/whats_new.html"
-          >changelog</a>
+        <a href="https://matplotlib.org/stable/users/release_notes.html">changelog</a>
       </dd>
 
       <dt>Development version</dt>