put tracking pixel into correct location (#1427)

Signed-off-by: Zbynek Roubalik <zroubalik@gmail.com>

layouts/partials/footer.html

@@ -40,7 +40,7 @@
       <p>
         &copy; KEDA Authors 2014-{{ $year }} | Documentation Distributed under <a href="https://creativecommons.org/licenses/by/4.0" target="_blank">CC-BY-4.0</a>
       </p>
-
+      <img referrerpolicy="no-referrer-when-downgrade" src="https://static.scarf.sh/a.png?x-pxid=46ce89e3-f6ce-454e-9740-490aaee3da5e" />
       <br />
 
       <p>