Add dev dependencies for CI

Author: okiner-3

pyproject.toml

@@ -30,7 +30,8 @@ dev = [
   "ruff>=0.12.2,<0.16.0",
   "sphinx>=7.3.7,<8.2.0",
   "scikit-learn>=1.5,<1.9",
-  "pre-commit>=4.0.1,<4.6.0"
+  "pre-commit>=4.0.1,<4.6.0",
+  "pandas>=2.0"
 ]
 
 [tool.setuptools.packages.find]
@@ -47,7 +48,8 @@ dev-dependencies = [
   "ruff>=0.12.2,<0.16.0",
   "sphinx>=7.3.7,<8.2.0",
   "scikit-learn>=1.5,<1.9",
-  "pre-commit>=4.0.1,<4.6.0"
+  "pre-commit>=4.0.1,<4.6.0",
+  "pandas>=2.0"
 ]
 
 [tool.ruff.lint]