MathOptInterface v1.42.0

Diff since v1.41.0

Merged pull requests:

• Optionally disable warn on PenaltyRelaxation (#2774) (@joaquimg)
• [FileFormats.MPS] fix writing objective constant in MAX_SENSE (#2778) (@odow)
• Fix change in Expr == for Julia nightly (#2780) (@odow)
• [Nonlinear.ReverseAD] fix performance bug in Hessian computation (#2783) (@odow)
• Prep for v1.42.0 (#2784) (@odow)

Closed issues:

• Utilities.value_type can be incorrect for ScalarNonlinearFunction (#2776)
• Wrong sign on objective constant for maximization problem when writing to an mps file (#2777)
• SIF reader (#2781)
• [Nonlinear] Performance regression of Hessian evaluation in MOI 1.41 (#2782)