bump pandas 1 version for Percy tests

Author: emilykl

Diff for: .circleci/config.yml

@@ -204,7 +204,7 @@ jobs:
             mkdir tests/percy/pandas2
             mv tests/percy/*.html tests/percy/pandas2/
             uv pip install pip
-            python -m pip install pandas==1.1.5 numpy==1.26.4
+            python -m pip install pandas==1.5.3 numpy==1.26.4
             python tests/percy/plotly-express.py
             python tests/percy/compare-pandas.py
             rm -rf tests/percy/pandas2