Talk: Update on Landlock: IOCTL support

📢 I gave a talk about the recent changes in Landlock and its new&#xA; support for restricting IOCTL&#xA;usage at the Linux&#xA;Security Summit Europe 2024 in Vienna: &#xA; &#xA; 🌍 Talk page &#xA;| 🎥 Video on YouTube &#xA;| 😎 We have stickers! &#xA; Talk Summary &#xA; &#xA; The Landlock security module lets Linux processes restrict what they&#xA;can do and puts developers in charge of defining…