update-manager do not update. Synaptic works

[Per-Inge]

Update-manger starts and provides the message snaps update, but no other updates are made. Synaptic works and apt works of course. This has been the case for at least a week.

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: update-manager 1:23.04.1
ProcVersionSignature: Ubuntu 5.19.0-21.21-generic 5.19.7
Uname: Linux 5.19.0-21-generic x86_64
ApportVersion: 2.24.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 25 10:52:02 2023
GsettingsChanges:
 b'com.ubuntu.update-manager' b'first-run' b'false'
 b'com.ubuntu.update-manager' b'launch-count' b'18'
 b'com.ubuntu.update-manager' b'launch-time' b'int64 1677318160'
 b'com.ubuntu.update-manager' b'show-details' b'true'
 b'com.ubuntu.update-manager' b'window-width' b'593'
InstallationDate: Installed on 2023-02-19 (5 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Alpha amd64 (20230219)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)