v8.11.1

ModelingToolkit v8.11.1

Diff since v8.11.0

Closed issues:

• Spring-mass example broken (#1571)

Merged pull requests:

• Rudimentary model balancing check (#1568) (@YingboMa)
• Use Connection from Symbolics (#1569) (@YingboMa)
• Fix spring_mass tutorial (#1573) (@YingboMa)
• Define hash for SymbolicContinuousCallback (#1574) (@YingboMa)