Add pandas/pyarrow to test deps

.github/workflows/build_test.yml

@@ -297,7 +297,7 @@ jobs:
           python -m pip install vegafusion-*manylinux_2_17_x86_64*.whl
 
           # Optional dependencies
-          python -m pip install polars-lts-cpu "duckdb>=1.0" "vl-convert-python>=1.0.1rc1" scikit-image "pandas>=2.2" jupytext voila anywidget ipywidgets chromedriver-binary-auto
+          python -m pip install pyarrow pandas polars-lts-cpu "duckdb>=1.0" "vl-convert-python>=1.0.1rc1" scikit-image "pandas>=2.2" jupytext voila anywidget ipywidgets chromedriver-binary-auto
 
           # Test dependencies
           python -m pip install pytest altair vega-datasets scikit-image jupytext voila ipykernel anywidget ipywidgets selenium flaky tenacity chromedriver-binary-auto 
@@ -339,7 +339,7 @@ jobs:
           python -m pip install vegafusion-*macosx_11_*_arm64.whl
 
           # Optional dependencies
-          python -m pip install polars "duckdb>=1.0" vl-convert-python "pandas>=2.2"
+          python -m pip install pyarrow pandas polars "duckdb>=1.0" vl-convert-python "pandas>=2.2"
 
           # Test dependencies
           python -m pip install pytest altair vega-datasets scikit-image
@@ -377,7 +377,7 @@ jobs:
           python -m pip install $vegafusion
 
           # Optional dependencies
-          python -m pip install "numpy<2" polars[timezone] "duckdb>=1.0" vl-convert-python 
+          python -m pip install pyarrow pandas "numpy<2" polars[timezone] "duckdb>=1.0" vl-convert-python 
           
           # Test dependencies
           python -m pip install pytest altair vega-datasets scikit-image