Improvements

• Upgrade to pybind 3.0.1 and use smart holder for all classes.
• Support both Qt5 and Qt6.
• Ensure download support on Ubuntu by installing libssl-dev for crypto.
• Add bindings for mvs::model for covisibility support in pycolmap.
• Add missing rig and frame interfaces for pycolmap database.
• Throw exception when the rig configurations of the database and existing reconstruction are inconsistent.
• Improve the Gauge logic for fixing two views.

Bug Fixes

• Fix focal length extraction from 35mm equivalent.
• Fix inconsistent pycolmap naming for RegisterFrame and DeRegisterFrame.
• Call Retriangulate irrespective of the logging level.
• Fix bundle adjustment with constant rig from world pose.