Merge pull request #226 from plotly/drop-DashBase-0.2-compat

Drop DashBase `0.2` compat

Author: etpinard

Diff for: Project.toml

@@ -24,7 +24,7 @@ YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 [compat]
 Aqua = "0.6"
 CodecZlib = "0.6, 0.7"
-DashBase = "0.2, 1"
+DashBase = "1"
 DashCoreComponents = "2.0.0"
 DashHtmlComponents = "2.0.0"
 DashTable = "5.0.0"