Update all dependencies and bump to Python 3.13.

Author: neverinfamous

pyproject.toml

@@ -62,6 +62,7 @@ postgres-mcp = "postgres_mcp:main"
 
 [tool.pytest.ini_options]
 pythonpath = ["./src"]
+asyncio_mode = "auto"
 asyncio_default_fixture_loop_scope = "function"
 
 [dependency-groups]

security/test_mcp_security_fix.py

@@ -15,12 +15,14 @@
 if sys.platform == "win32":
     asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
 
+import pytest
 from mcp import types
 
 import postgres_mcp.server as server_module
 from postgres_mcp.server import execute_sql
 
 
+@pytest.mark.asyncio
 async def test_mcp_security_fix():
     """Test that the MCP server execute_sql function blocks SQL injection"""