Update dependency pandas to v2.3.1 (#150)

Author: renovate-bot

requirements.txt

@@ -6,7 +6,7 @@ lxml==5.3.0
 MarkupSafe==3.0.2
 mccabe==0.7.0
 numpy==2.2.2
-pandas==2.2.3
+pandas==2.3.1
 pycodestyle==2.12.1
 pyflakes==3.2.0
 python-dateutil==2.9.0.post0