[neon-notifications] Releasing: index-fm - 3.1.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_index-fm/358/display/redirect

#<Debian::UScan::DEHS::Package:0x000055f80dc05c00 @name="index-fm", @debian_uversion="3.0.2", @debian_mangled_uversion="3.0.2", @upstream_version="3.1.0", @upstream_url="http://download.kde.internal.neon.kde.org/stable/maui/index/3.1.0/index-fm-3.1.0.tar.xz", @status="Newer version available">