Add info on libvirt ubuntu 22.04 (#6316)

Signed-off-by: Derek Nola <derek.nola@suse.com>

tests/e2e/README.md

@@ -35,7 +35,11 @@ Download the latest version (currently 2.2.19) of Vagrant [*from the website*](h
 ### Libvirt
 Follow the OS specific guides to install libvirt/qemu on your host:  
 - [openSUSE](https://documentation.suse.com/sles/15-SP1/html/SLES-all/cha-vt-installation.html)  
-    - [ubuntu](https://ubuntu.com/server/docs/virtualization-libvirt)
+- [ubuntu 20.04](https://ubuntu.com/server/docs/virtualization-libvirt)  
+- ubuntu 22.04: 
+  ```bash
+  sudo apt install ruby-libvirt qemu libvirt-daemon-system libvirt-clients ebtables dnsmasq-base libxslt-dev libxml2-dev libvirt-dev zlib1g-dev ruby-dev libguestfs-tools
+  ```  
 - [debian](https://wiki.debian.org/KVM#Installation)  
 - [fedora](https://developer.fedoraproject.org/tools/virtualization/installing-libvirt-and-virt-install-on-fedora-linux.html)