message: Update FreeBSD to 13.1
  This fixes the certificate error
diff: task:
  name: freebsd
  freebsd_instance:
  - image: freebsd-12-1-release-amd64
  + image: freebsd-13-1-release-amd64
  setup_rust_script:
  - pkg install -y curl git bash
  - curl https://sh.rustup.rs -sSf --output rustup.sh
  