fix: add pandas to core dependencies

Author: statmlben

pyproject.toml

@@ -15,7 +15,8 @@ requires-python = ">= 3.10"
 dependencies = [
     "numpy >= 1.23.5",
     "scipy >= 1.11.4",
-    "scikit-learn >= 1.2.2"
+    "scikit-learn >= 1.2.2",
+    "pandas >= 1.5.0"
 ]
 
 [pyproject.urls]