v0.4.6

This release drastically improves the optimizer benchmarking capabilities, especially
with noisy functions and parallel optimizers. It makes tranquilo and numba optional
dependencies and is the first version of estimagic to be compatible with Python
3.11.

• #464 Makes tranquilo and numba optional dependencies (@janosg)
• #461 Updates docstrings for procss_benchmark_results (@segsell)
• #460 Fixes several bugs in the processing of benchmark results with noisy
  functions (@janosg)
• #459 Prepares benchmarking functionality for parallel optimizers
  (@mpetrosian and @janosg)
• #457 Removes some unused files (@segsell)
• #455 Improves a local pre-commit hook (@ChristianZimpelmann)