Diffrax v0.4.1

Minor release to fix two bugs, and to introduce a performance improvement.

• Fixed using implicit solvers with closed-over variables. (#258, #284)
• Fix bug that introduced incompatibility with Equinox v0.10.11. (#282, #283, patrick-kidger/equinox#438)
• Optimise StepTo to match performance of a naive scan. (#274, #276)

New Contributors

• @thibmonsel made their first contribution in #283

Full Changelog: v0.4.0...v0.4.1