ProxSuite 0.4.0

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #225
• add generalized primal dual augmented Lagrangian (gpdal) for dense backend by @Bambade in #228
• optimize dense iterative refinement by @Bambade in #230
• Add dense LP interface by @Bambade in #231
• Enable solving QP in parallel with ProxQP by @Bambade in #229
• Add small dense LP Python example by @stephane-caron in #235
• Fix typo in dense lp interface by @Bambade in #234
• ci check all jobs pass by @fabinsch in #236
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #232
• Add box constraint interface for dense backend by @Bambade in #238
• Improve dense backend and simplify calculus when using a Diagonal Hessian by @Bambade in #239
• Add infeasibility solving feature for dense and sparse backends by @Bambade in #241
• cmake: fix path to find-external/OpenMP by @fabinsch in #240
• More information in debug mode by @fabinsch in #242
• Fix warning and clean // solvers API by @jcarpent in #243

Full Changelog: v0.3.7...v0.4.0