Merge pull request #29 from zsz00/patch-1

Update compat version of  UnicodePlots

Author: ablaom

Project.toml

@@ -18,7 +18,7 @@ Distributions = "0.25"
 Missings = "0.4, 1"
 OrderedCollections = "1.1"
 ScientificTypes = "3.0"
-UnicodePlots = "2"
+UnicodePlots = "2, 3"
 julia = "1.3"
 
 [extras]