Jamie Tanna authored Apr 10, 2023 and Jamie Tanna committed Apr 10, 2023

To more easily set ownership information across projects, we can add the
`owners set` subcommand to provide wildcard-aware ownership information.

We can use `LIKE` statements to make it possible to wildcard here,
instead of needing to do anything too clever.

This adds our first ability to filter by `--platform`, `--organisation`
or `--repo`, so we need to add the central flag values.

Closes #53.