1.1.0a1

Major changes:

• Renamed problem functions (e.g. eval_f() becomes eval_objective(), get_n() becomes get_num_variables())
  See https://kul-optec.github.io/alpaqa/1.1.0a1/Doxygen/page-problem-formulations.html for details.
• Renamed some solver statistics (e.g. lbfgs_failures becomes direction_failures)
• Installing the alpaqa Python package no longer requires CasADi.
  If you intend to use alpaqa with CasADi, use pip install --pre "alpaqa[casadi]"

Other changes:

• New interface for defining custom inner solvers in Python
• Expose Ipopt solver to Python
• Use Conan package manager for installing dependencies
• Simplified installation from source
• CI maintenance
• Added Python 3.14 support
• Dropped CentOS 7 support
• Dropped Python 3.8 support

Full Changelog: 1.0.0a20...1.1.0a1