Infrastructure: Bump to 1.2.1 for publishing

Author: LaCuneta

build.sbt

@@ -3,7 +3,7 @@ import org.nlogo.build.{ NetLogoExtension, ExtensionDocumentationPlugin }
 enablePlugins(NetLogoExtension, ExtensionDocumentationPlugin)
 
 name := "bitmap"
-version := "1.2.0"
+version := "1.2.1"
 isSnapshot := true
 
 Compile / javaSource := baseDirectory.value / "src" / "main"