hwe-support-status prints wrong Ubuntu version

[Zartaj Majeed]

After do-release-upgrade from 16.04.6 to 18.04.2, my login motd still keeps telling me to upgrade from 16.04 which is no longer the current version

$ hwe-support-status

You have packages from the Hardware Enablement Stack (HWE) installed that
are going out of support on 2023-04-30.
To upgrade to a supported (or longer-supported) configuration:
* Upgrade from Ubuntu 16.04 LTS to Ubuntu 18.04 LTS by running:
sudo do-release-upgrade -p
OR
* Switch to the current security-supported stack by running:
sudo apt-get install
and reboot your system.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic

$ uname -a
Linux aaa 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:55:24 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

$ /usr/lib/update-notifier/apt-check --human-readable
0 packages can be updated.
0 updates are security updates.