v0.3.0

What's New

• Shell completions — new completions command to generate shell completions for bash, zsh, fish, elvish, and powershell (#15)
• Linux arm64 binary — pre-built aarch64 binary now included in releases (#13)
• Homebrew support — brew install gitnr via homebrew-core (#19)

Fixes & Maintenance

• Fixed CLI showing an error instead of help when run without a subcommand
• Resolved 4 dependency security vulnerabilities (openssl, idna, hashbrown)
• Updated all dependencies to latest compatible versions
• Fixed clippy warnings for latest stable Rust toolchain