Optimization v4.0.3

Diff since v4.0.2

Merged pull requests:

• feat: make MLUtils into a weakdep & suppport MLDataDevices (#827) (@avik-pal)
• fix: no printing "dkjht" (#828) (@avik-pal)
• Optimisers iteration count should be calculated with epochs and data both (#830) (@Vaibhavdixit02)
• NLopt: Reuse constraint evaluations (#832) (@Vaibhavdixit02)
• Update index.md (#836) (@Vaibhavdixit02)
• Update optimisers extensions and tests (#838) (@Vaibhavdixit02)

Closed issues:

• Multi objective optimization (#18)
• PolyOpt only accept functions without any extra inputs (#728)
• Disassociate batching from the data arg to solve and remove data (#776)
• Move Sophia from OptimizationOptimisers to src/ (#783)
• Support for MOI.eval_constraint_jacobian_transpose_product (#808)
• docs: index.md: broken html after v3.26 (#834)
• OptimizationFunction cannot return multiple values (#839)