Raise ModelingToolkit compatibility floors (#495)

Require the first ModelingToolkit and ModelingToolkitBase releases that satisfy the package downgrade graph and actuator tests.

Co-authored-by: ChrisRackauckas-Claude <accounts@chrisrackauckas.com>

Author: ChrisRackauckas-Claude

Project.toml

@@ -21,8 +21,8 @@ DataInterpolations = "8"
 DiffEqBase = "6.190, 7"
 ForwardDiff = "0.10, 1"
 LinearAlgebra = "1.10"
-ModelingToolkit = "11"
-ModelingToolkitBase = "1.1"
+ModelingToolkit = "11.28"
+ModelingToolkitBase = "1.49"
 OrdinaryDiffEq = "6, 7"
 OrdinaryDiffEqBDF = "1, 2"
 OrdinaryDiffEqDefault = "1, 2"