Drop compat for older MPSKit versions

Author: lkdvos

Project.toml

@@ -31,7 +31,7 @@ FiniteDifferences = "0.12"
 KrylovKit = "0.9.5"
 LinearAlgebra = "1"
 LoggingExtras = "1"
-MPSKit = "0.12.4, 0.13"
+MPSKit = "0.13"
 MPSKitModels = "0.4"
 OhMyThreads = "0.7"
 OptimKit = "0.3, 0.4"