Merge pull request #349 from SciML/compathelper/new_version/2020-10-28-00-41-35-478-874298520

CompatHelper: bump compat for "ModelingToolkit" to "4.0" for package ode_extras

Author: ChrisRackauckas

tutorials/ode_extras/Project.toml

@@ -13,7 +13,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 [compat]
 DiffEqDevTools = "2.22"
 DifferentialEquations = "6.14"
-ModelingToolkit = "3.10"
+ModelingToolkit = "3.10, 4.0"
 NLopt = "0.6"
 NLsolve = "4.4"
 Optim = "0.22, 1.0"