ModelingToolkitBase-v1.68.2

ModelingToolkitBase ModelingToolkitBase-v1.68.2

Diff since ModelingToolkitBase-v1.68.1

Merged pull requests:

• Widen OrderedCollections compat for StateSelection / MTKBase resolution (#5037) (@ChrisRackauckas-Claude)
• Floor OrdinaryDiffEqDifferentiation ≥3.11 for MTKBase Downgrade (#5040) (@ChrisRackauckas-Claude)
• Split Downgrade Sublibraries by MTKBase test group (#5041) (@ChrisRackauckas-Claude)
• Format files with Runic 1.10 (#5046) (@ChrisRackauckas-Claude)
• Allow Symbolics facade reexports in MTKBase QA (#5047) (@ChrisRackauckas-Claude)
• Fix HomotopyCtx docs/reexport CI failures on top of #5044 (#5048) (@ChrisRackauckas-Claude)

Closed issues:

• QA: track pre-existing Aqua/JET/ExplicitImports findings (root + ModelingToolkitBase) (#4670)
• AutoDespecialize regresses SciMLBase symbolic-indexing inference (#4996)
• Downstream resolution fails with StateSelection after requiring OrderedCollections 2 (#5026)