  * provide axum feature "multipart"
    and axum-extra features "default" and "multipart
    when missing crate is in Debian
    * multer v3
      <https://bugs.debian.org/1098662>
  * provide axum-extra feature "erased-json"
    when missing crate is in Debian
    * typed-json
  * improve autopkgtests when supported upstream
    <https://github.com/tokio-rs/axum/issues/2599>
