Update deploy_dev_docs.yml

Author: ibell

.github/workflows/deploy_dev_docs.yml

@@ -93,7 +93,7 @@ jobs:
         # the prebuilt docs container; the image isn't rebuilt for PRs, so install
         # it at runtime here (same escape hatch as the packages above) to unblock
         # the build until the next docs image rebuild on master.
-        pip install pydata-sphinx-theme tqdm ninja sphinx-design
+        pip install pydata-sphinx-theme tqdm ninja sphinx-design plotly joblib
         echo "Calling: python -u __init__.py ${{ env.COOLPROP_EXPENSIVE }}"
         python -u __init__.py ${{ env.COOLPROP_EXPENSIVE }}