Bump rayon: 1.0 -> 1.1.0
Bump rayon: 1.0 -> 1.1.0

This fixes errors when building jpeg-decoder with minimal dependency versions:

  cargo hack --remove-dev-deps --workspace
  cargo +nightly update -Z minimal-versions
  cargo +1.48.0 check

rayon v1.1.0 is the first (minimal) version that builds with Rust 1.48.0.

image-rs/jpeg-decoder