add new gif to readme (#54)

Author: liamg

Diff for: README.md

@@ -4,9 +4,9 @@ Automatically exploit low-hanging fruit to pop a root shell. Linux privilege esc
 
 Traitor packages up a bunch of methods to exploit local misconfigurations and vulnerabilities (including most of [GTFOBins](https://gtfobins.github.io/)) in order to pop a root shell.
 
-![Demo](polkit.png)
+![Demo](demo.gif)
 
-It'll exploit most sudo privileges listed in GTFOBins to pop a root shell, as well as exploiting issues like a writable `docker.sock`, or the recent polkit CVE-2021-3560. More routes to root will be added over time too.
+It'll exploit most sudo privileges listed in GTFOBins to pop a root shell, as well as exploiting issues like a writable `docker.sock`, or the recent polkit CVE-2021-4034. More routes to root will be added over time too.
 
 ## Usage