[neon-notifications] bomber new version 19.12.2

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_bomber/666/display/redirect

#<Debian::UScan::DEHS::Package:0x0000556c9cdbafe8 @name="bomber", @debian_uversion="19.12.1", @debian_mangled_uversion="19.12.1", @upstream_version="19.12.2", @upstream_url="http://download.kde.internal.neon.kde.org/stable/release-service/19.12.2/src/bomber-19.12.2.tar.xz", @status="Newer version available">