Video calling in Dino in experimental, oh my!

Dino, packaged as dino-im in Debian, is an XMPP chat client. Thanks to the hard work of its developers, Dino has been making progress on supporting video and audio calls.

Building on the work of my co-maintainer, I've packaged the latest commits to dino-im in Debian experimental. Adapting to the changes in how Dino is built since the last release took a bit of effort, but I'm glad to say that experimental now has support for video calls in dino-im, and that they work quite well! I was able to test video calling for multiple hours, and while there were clearly still a few issues, the entire experience felt quite... comfortable. I'm confident that video calling will be in great shape for bookworm!