v10.19.0

ModelingToolkit v10.19.0

Diff since v10.18.0

Merged pull requests:

• Fix cache issues with self-hosted runners (#3879) (@ChrisRackauckas-Claude)
• chore: add change_tunables (#3886) (@DhairyaLGandhi)
• Add missing API documentation for all exported symbols (#3887) (@ChrisRackauckas-Claude)
• test: avoid intermittent stack overflow in test (#3889) (@AayushSabharwal)
• fix: fix simplification of empty systems (#3890) (@AayushSabharwal)

Closed issues:

• Observed variables are computed even when unused (#2902)
• Allow subsetting tunables after system creation (#3772)