v4.0.1: only apply font workaround on ubuntu-derivatives

• Fix version in About dialog in snap (#111)
• Fix potential snap upgrade crash (#114)
• Attempt to fix snap fonts issue seen on some distros (#109)

v4.0.0

This major release:

• Adds support for Flatpak, thanks to the hard work from @vemonet.
• Upgrades snap core version to core22, thanks to @sonjoonho.
• Updates emoji lists to include loads more emojis (unicode 14).
• Fixes skin-tone modifiers for emojis where it failed to apply before.
• Stops bundling fonts with the app, which reduces the app size.
• Fixes a couple of minor bugs.

v3.0.3

Main changes: #49