fix: CLI test exit code and upgrade deps for Python 3.14

- Fix test_main() to expect exit code 2 (Click behavior for missing subcommand)
- Upgrade uv.lock dependencies for Python 3.14 compatibility (rpds-py 0.30.0, etc.)

Author: yasserfarouk

src/negmas/tests/test_cli.py

@@ -11,7 +11,8 @@ def test_main():
     runner = CliRunner()
     result = runner.invoke(main, [])
     assert len(result.output) > 0
-    assert result.exit_code == 0
+    # Exit code 2 is expected when no subcommand is provided (shows usage)
+    assert result.exit_code == 2
 
 
 def test_negotiate_app_nstpes():