fix: update unnecessary ModelingToolkit strict compat (#37)

Author: oameye

Project.toml

@@ -25,7 +25,7 @@ LaTeXStrings = "1"
 Latexify = "0.13, 0.14, 0.15, 0.16"
 LinearAlgebra = "1.6"
 MacroTools = "0.5"
-ModelingToolkit = "10.6.0"
+ModelingToolkit = "9,10"
 QuantumOpticsBase = "0.4, 0.5"
 Random = "1.10"
 SciMLBase = "1, 2"