v0.3.0

What's Changed

• Overhaul the agent harness and isolate the vm-tests by @wmeints in #47
• Use xterm-256color as the terminal type in sandboxes by @wmeints in #48
• Register sandbox hosts in VS Code's Remote-SSH settings and print an open-folder command by @wmeints in #60
• Register sandboxes as Zed remote projects and print an open command by @wmeints in #62
• fix(daemon): refuse to remove a running sandbox unless anvil rm --force is passed by @wmeints in #63
• Log the original error behind generic daemon errors by @wmeints in #64
• feat(images): add build-essential, pkg-config and libssl-dev to the anvil-base image by @wmeints in #71
• refactor: rename anvil to firebrick (fbk/fbkd) by @wmeints in #73
• Make the crates publishable with a firebrick-proto crate by @wmeints in #74
• Add a --version flag to fbk by @wmeints in #75
• feat(daemon): restrict the daemon socket to its owner by @wmeints in #78
• Name new sandboxes after a hash of the working directory by @wmeints in #79

Full Changelog: v0.2.1...v0.3.0