restrict makie compat

Author: hexaeder

Project.toml

@@ -18,7 +18,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 DataStructures = "0.17, 0.18"
 GeometryBasics = "0.4"
 Graphs = "1.4"
-Makie = "0.20, 0.21"
+Makie = "0.21"
 NetworkLayout = "0.4.3"
 PolynomialRoots = "1"
 SimpleTraits = "0.9"