Add OVAL feed to Ubuntu 20.04 product.yml

Co-Authored-By: Brian Turek <[email protected]>
Co-Authored-By: Gabriel Becker <[email protected]>
Co-Authored-By: Richard Maciel Costa <[email protected]>
Signed-off-by: Alexander Scheel <[email protected]>

Author: 4 people

products/ubuntu2004/product.yml

@@ -9,6 +9,7 @@ profiles_root: "./profiles"
 pkg_manager: "apt_get"
 
 init_system: "systemd"
+oval_feed_url: "https://people.canonical.com/~ubuntu-security/oval/com.ubuntu.focal.cve.oval.xml"
 
 grub2_boot_path: "/boot/grub"