Update MetaGraphsNext dependency

Author: wouterwln

Project.toml

@@ -33,7 +33,7 @@ Distributions = "0.25"
 Documenter = "1.0"
 GraphPlot = "0.5, 0.6"
 MacroTools = "0.5"
-MetaGraphsNext = "~0.7.0"
+MetaGraphsNext = "0.6, 0.7"
 NamedTupleTools = "0.14"
 Static = "0.8, 1"
 StaticArrays = "1.6"