v0.42.3

Turing v0.42.3

Diff since v0.42.2

Removes some dead code.

Merged pull requests:

• Allow MLE test to fail (#2746) (@penelopeysm)
• remove get_matching_type overload (#2748) (@penelopeysm)

Closed issues:

• Remove OptimizationOptimJL dep? (#2712)
• optimisation CI failures (#2744)