[Core-266] Client: Add pydantic to client setup (#12421)

GitOrigin-RevId: bc86e19e0b580bdbf47e89b8f633c44c52aa721d

setup.py

@@ -108,6 +108,7 @@ def do_setup():
             "numpy>=1.23.2;python_version>='3.11'",
             "Pillow>=9.2.0",
             "pyarrow>=13.0.0",
+            "pydantic>=2.1.0",
             "pytz>=2021.1",
             "requests>=2.28.1,<3",
             # It is not obvious but dynaconf requires pkg_resources from setuptools.