CompatHelper: bump compat for PrettyTables to 3, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -31,7 +31,7 @@ LogExpFunctions = "0.3"
 MCMCChains = "6, 7"
 MCMCDiagnosticTools = "0.3.2"
 NamedDims = "0.2.35, 1"
-PrettyTables = "2.1,2.2"
+PrettyTables = "2.1,2.2, 3"
 Requires = "1.1.3"
 Statistics = "<0.0.1, 1"
 StatsBase = "0.33.10, 0.34"