Add missing packaging dependency (#2989)

Author: jlowin

pyproject.toml

@@ -10,7 +10,7 @@ dependencies = [
     "mcp>=1.24.0,<2.0",
     "openapi-pydantic>=0.5.1",
     "platformdirs>=4.0.0",
-    "pydocket>=0.16.6",
+    "pydocket>=0.16.6,<0.17.0",
     "rich>=13.9.4",
     "cyclopts>=4.0.0",
     "authlib>=1.6.5",
@@ -21,6 +21,7 @@ dependencies = [
     "websockets>=15.0.1",
     "jsonschema-path>=0.3.4",
     "jsonref>=1.1.0",
+    "packaging>=20.0",
 ]
 
 requires-python = ">=3.10"