package/eza: bump to version 0.20.19
Release notes:
https://github.com/eza-community/eza/releases/tag/v0.20.19
Now licensed under the EUPL-1.2 license, so adjust _LICENSE to match:
https://github.com/eza-community/eza/releases/tag/v0.20.0
Signed-off-by: Saeed Kazemi <kazemi.ms@gmail.com>
[Peter: add note about license change]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>