chore: Update pydantic minimum version (strands-agents#723)

Author: mehtarac

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
     "botocore>=1.29.0,<2.0.0",
     "docstring_parser>=0.15,<1.0",
     "mcp>=1.11.0,<2.0.0",
-    "pydantic>=2.0.0,<3.0.0",
+    "pydantic>=2.4.0,<3.0.0",
     "typing-extensions>=4.13.2,<5.0.0",
     "watchdog>=6.0.0,<7.0.0",
     "opentelemetry-api>=1.30.0,<2.0.0",