SnapUpgradeFirefoxChromium.sh
Copyright (c) 2022 R. Diez - Licensed under the GNU AGPLv3

This script is a workaround for this annoying prompt under Ubuntu 22.04:

  Pending update of "firefox" snap
  Close the app to avoid disruptions (4 days left)

Plenty of people on the Internet hat written about this usability issue.

This script upgrades the Snaps for both Firefox and Chromium.
See the comments at the beginning of the script for more information.