[ITensorUnicodePlots] Add compat entry for Statistics (#1224)

Author: github-actions[bot]

ITensorUnicodePlots/Project.toml

@@ -17,6 +17,7 @@ Graphs = "1.4.1"
 ITensorVisualizationBase = "0.1.5"
 NetworkLayout = "0.4.3"
 Reexport = "1.2.2"
+Statistics = "1"
 UnicodePlots = "2.5.0, 3"
 julia = "1.6"