[neon-notifications] Dev Required: litehtml - 0.7

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-jammy_litehtml-jammy/164/display/redirect

#<Debian::UScan::DEHS::Package:0x0000555c210ac3a0 @name="litehtml", @debian_uversion="0.6", @debian_mangled_uversion="0.6", @upstream_version="0.7", @upstream_url="https://github.com/litehtml/litehtml/archive/refs/tags/v0.7.tar.gz", @status="Newer version available">