chore: add cargo-dist

[ashleygwilliams]

ag_dubs@Ashleys-MacBook-Pro-2 cargo-auditable % cargo dist plan --tag=v0.6.4
announcing v0.6.4
  cargo-auditable 0.6.4
    source.tar.gz
      [checksum] source.tar.gz.sha256
    cargo-auditable-installer.sh
    cargo-auditable-installer.ps1
    cargo-auditable-aarch64-apple-darwin.tar.xz
      [bin] cargo-auditable
      [misc] CHANGELOG.md, LICENSE-APACHE, LICENSE-MIT, README.md
      [checksum] cargo-auditable-aarch64-apple-darwin.tar.xz.sha256
    cargo-auditable-x86_64-apple-darwin.tar.xz
      [bin] cargo-auditable
      [misc] CHANGELOG.md, LICENSE-APACHE, LICENSE-MIT, README.md
      [checksum] cargo-auditable-x86_64-apple-darwin.tar.xz.sha256
    cargo-auditable-x86_64-pc-windows-msvc.zip
      [bin] cargo-auditable.exe
      [misc] CHANGELOG.md, LICENSE-APACHE, LICENSE-MIT, README.md
      [checksum] cargo-auditable-x86_64-pc-windows-msvc.zip.sha256
    cargo-auditable-x86_64-unknown-linux-gnu.tar.xz
      [bin] cargo-auditable
      [misc] CHANGELOG.md, LICENSE-APACHE, LICENSE-MIT, README.md
      [checksum] cargo-auditable-x86_64-unknown-linux-gnu.tar.xz.sha256