Update Project.toml

Author: mykelk

Project.toml

@@ -34,7 +34,7 @@ LightGraphs = "1.0"
 LightXML = "0.8,0.9"
 NBInclude = "2.0"
 Parameters = "0.10,0.11,0.12"
-RDatasets = "0.5,0.6"
+RDatasets = "0.5,0.6,0.7"
 Reexport = "0.2"
 Requires = "1.0.1"
 SpecialFunctions = "0.8,0.10,1.0,1.1,1.2"