regorus-v0.9.1

Fixed

• Release native C# handles reliably to avoid memory growth (#571).
• Centralize C# handle gating with a short dispose wait and deferred release to avoid leaks while blocking new calls (#571).

Added

• Manual C# memory growth tests for both using and finalizer paths (#571).
• C# test runner options for filtered tests, console logging, and skipping sample apps (#571).