Install doc requirements

Author: timsaucer

.github/workflows/docs.yaml

@@ -66,6 +66,7 @@ jobs:
         run: |
           set -x
           cd docs
+          uv pip install -r requirements.txt
           curl -O https://gist.githubusercontent.com/ritchie46/cac6b337ea52281aa23c049250a4ff03/raw/89a957ff3919d90e6ef2d34235e6bf22304f3366/pokemon.csv
           curl -O https://d37ci6vzurychx.cloudfront.net/trip-data/yellow_tripdata_2021-01.parquet
           make html