lower requires-python to >=3.13 so enrich can use python 3.13
the base image runs 3.14 and most flows use it, but dbt doesn't
support 3.14 yet. lowering the floor to 3.13 lets uv run --python 3.13
install the project for the enrich deployment.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>