Update Stipple compat to 0.28 - 0.31, 1

Author: hhaensel

Project.toml

@@ -6,7 +6,7 @@ version = "0.1.0"
 Stipple = "4acbeb90-81a0-11ea-1966-bdaff8155998"
 
 [compat]
-Stipple = "0.28.14 - 0.31"
+Stipple = "0.28 - 0.31, 1"
 Test = "1.6"
 julia = "1.6"