JuMP v1.23.2

Diff since v1.23.1

Merged pull requests:

• [docs] add Rolling horizon tutorial (#3815) (@odow)
• Add more tests for shapes and dual shapes (#3816) (@odow)
• Add PiecewiseAffineApprox.jl to extension-tests.yml (#3817) (@odow)
• Add PiecewiseLinearOpt and TimeStruct to extension-tests.yml (#3818) (@odow)
• Remove unneeded test from test_nlp.jl (#3819) (@odow)
• [docs] add example to index.md (#3820) (@odow)
• [docs] restructure conic optimization tutorials (#3822) (@odow)
• [docs] restructure nonlinear optimization tutorials (#3823) (@odow)
• [docs] add PiecewiseLinearOpt to packages.toml (#3824) (@odow)
• Fix an illegal simplification in MA.operate!! for NonlinearExpr (#3826) (@odow)
• Prep for v1.23.2 (#3827) (@odow)

Closed issues:

• Add better tests for shapes (#3808)
• [docs] add datejada/rolling-horizon-example tutorial (#3811)
• Nonlinear expressions illegally modify their children (#3825)