upgraded packages not shown when using cli

```
Performing package upgrade...
2023/04/29 02:02:13 Packages upgraded:
apt: ipp-usb -> 0.9.20-1ubuntu0.22.04.1 (installed)
apt: opera-stable -> 98.0.4759.15 (installed)
apt: linux-libc-dev -> 5.15.0-71.78 (installed)
apt: linux-headers-5.15.0-71 -> 5.15.0-71.78 (installed)
apt: linux-headers-5.15.0-71-generic -> 5.15.0-71.78 (installed)
apt: signal-desktop -> 6.16.0 (installed)
apt: tailscale -> 1.40.0 (installed)
apt: linux-tools-common -> 5.15.0-71.78 (installed)
apt: terraform -> 1.4.6-1 (installed)
apt: linux-headers-generic -> 5.15.0.71.69 (installed)
apt: linux-image-5.15.0-71-generic -> 5.15.0-71.78 (installed)
apt: linux-modules-5.15.0-71-generic -> 5.15.0-71.78 (installed)
apt: linux-modules-extra-5.15.0-71-generic -> 5.15.0-71.78 (installed)
apt: linux-image-generic -> 5.15.0.71.69 (installed)
apt: linux-generic -> 5.15.0.71.69 (installed)
2023/04/29 02:04:04 Packages upgraded:
2023/04/29 02:04:04 Running command: snap [refresh]
2023/04/29 02:05:04 Packages upgraded:
Upgrade completed.
bluet@ocisly:~/workspace/go-syspkg$
```