containerd: 1.0.2 -> 1.0.3

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/containerd/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd -h’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd --help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd-release -h’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd-release --help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd-release help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd-stress -h’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd-stress --help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/containerd-stress help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/ctr -h’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/ctr --help’ got 0 exit code
- ran ‘/nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3/bin/ctr help’ got 0 exit code
- found 1.0.3 with grep in /nix/store/qmgzfad2cazgv7j1k31pqs512b59b8hp-containerd-1.0.3
- directory tree listing: https://gist.github.com/b830fb8c24834f83e627fd6d567eae87