compat for new ExtendableGrids feature

Author: pjaap

Project.toml

@@ -24,7 +24,7 @@ ExtendableFEMBaseUnicodePlotsExt = ["UnicodePlots"]
 [compat]
 DiffResults = "1"
 DocStringExtensions = "0.8,0.9"
-ExtendableGrids = "1.9.2"
+ExtendableGrids = "1.13.0"
 ExtendableSparse = "1.5.1"
 ForwardDiff = "0.10.35"
 LinearAlgebra = "1.9"