[WIP] Update generator version for Python

[pcothenet]

What

• The result from https://github.com/patch-technology/client-code-generation/pull/55 (see there for context)

Why

• Make our python SDK easier to generate

SDK Release Checklist

• [ ] Have you added an integration test for the changes?
• [ ] Have you built the library locally and made queries against it successfully?
• [ ] Did you update the changelog?
• [ ] Did you bump the package version?
• [ ] For breaking changes, did you plan for the release of the new SDK versions and deploy the API to production?