OpEn v0.12.0 and Opengen v0.11.0

Key changes

This release brings several bug fixes, improvements, and the following brand new features:

• Single and double precision (f64 and f32) are supported in Rust
• Opengen generates ROS2 packages
• A new MATLAB API that allows to interface solvers generated in Python (incl. ones generated with the new OCP module)
• Transparent error handling (not just "solver failed" messages)
• Significantly updated documentation on the website

Autogenerated changelog

• Python packaging with pyproject.toml by @alphaville in #395
• Rust constraints: additional unit tests by @alphaville in #396
• OpEn: good error handling by @alphaville in #407
• Support float types in Rust by @alphaville in #399
• Replace instant with web-time by @alphaville in #389
• ROS2 support by @alphaville in #400
• Better error handling and reporting (Rust & TCP) by @alphaville in #406
• Handling errors via py bindings by @alphaville in #411
• ROS2: error handling by @alphaville in #412
• New MATLAB-to-Python API by @alphaville in #404
• Update CI badge link in README.md by @alphaville in #415
• C bindings error handling by @alphaville in #414
• GA CI: tests on Windows and more by @alphaville in #417
• Cleanup folder structure by @alphaville in #418
• Constraint dimension checking and lazy imports by @alphaville in #421
• 🎯 New OpEn/opengen/matlab releases by @alphaville in #408

Full Changelog: v0.11.1...v0.12.0