chore: add poetry lock file (#681)

### Description

- Add poetry lock file and rm it from git ignore.
- There should be no need to update the Renovate config, as it should
look for `poetry.lock` by default, see
[docs](https://docs.renovatebot.com/configuration-options/#lockfilemaintenance).

### Issues

- Closes: #669

### Testing

- N/A

### Checklist

- [x] CI passed

Author: vdusek

.gitignore

@@ -12,7 +12,6 @@ __pycache__
 
 # Poetry
 poetry.toml
-poetry.lock
 
 # Mise
 mise.toml