(doc) Documentation wrong for debian package installation

[aaronkaplan]

https://docs.intelmq.org/latest/admin/installation/linux-packages/#supported-os

States:

echo "deb http://download.opensuse.org/repositories/home:/sebix:/intelmq/Debian_$(lsb_release -rs)/ /" | sudo tee /etc/apt/sources.list.d/intelmq
curl -fsSL "https://download.opensuse.org/repositories/home:sebix:intelmq/Debian_$(lsb_release -rs)/Release.key" | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/intelmq.gpg > /dev/null
sudo apt update
sudo apt install intelmq intelmq-api intelmq-manager

But the file should actually be called intelmq.list in /etc/apt/sources.list.d/
Otherwise it gets ignored.

tested on bookworm (plain vanilla)