[ty] Rule Selection: ignore/warn/select all rules (unless subsequently overriden) (#22832)
## Summary
Allow `ty check` to `--ignore/--warn/--error ALL`
https://github.com/astral-sh/ty/issues/174
## Test Plan
Added some basic cli/config-file tests
1. `--<level> all` applies <level> to all rules
2. `--ignore all --<severity> <rule>` deactivates all but one
3. `--<severity> <rule> --ignore all` deactivate all
4. `all = "ignore"` in configuration works same way as `--ignore all`