Code review comment for autopkgtest-cloud:suppoted-esm

Actually (again) this won't work because interim releases don't show up with "--supported-esm".

[ 3:25PM 10661 ] [ bdmurray@impulse:/srv/vms ]
 $ faketime '2022-07-01 00:00:00' distro-info --supported
bionic
focal
impish
jammy
kinetic
[ 3:26PM 10662 ] [ bdmurray@impulse:/srv/vms ]
 $ faketime '2022-07-01 00:00:00' distro-info --supported-esm
trusty
xenial
bionic
focal
jammy