build: update python version to support types

pyproject.toml

@@ -10,7 +10,7 @@ packages = [{ include = "zeno_client" }]
 [tool.poetry.dependencies]
 pandas = ">=1.4.3"
 pyarrow = ">=6.0.0"
-python = ">=3.8"
+python = ">=3.10"
 pydantic = ">=1.0"
 requests = ">=2.20.0"
 arrow-json = "^0.9.0"