Zust 0.9.1
Zust 0.9.1 open-source release.\n\n- Bump all workspace and extension crate versions to 0.9.1.\n- Publish the renamed Zust language stack with .zs sources, zust-lsp, Zed extension, VM, SPIR-V, Metal, and Vulkan crates.\n- Keep generated build artifacts and private application examples out of the release archive.\n- Verified with cargo check --workspace and cargo check --manifest-path zed-extension/Cargo.toml.