Update SBAT generation requirements for 05/24/22
Update SBAT generation requirements for 05/24/22

bump shim SBAT generation requirement to 2 for CVE-2022-28737
bump GRUB2 SBAT generation requirement to 2 for CVE-2021-3695

Signed-off-by: Jan Setje-Eilers <5d5179dffc8789346324e5a33298d4fe635dab3b@oracle.com>

rhinstaller/shim,rhinstaller/shim,rhinstaller/shim