fix: more env version write tests

See toolshed/organising#661

pkg/formatter/formatter.go

@@ -268,3 +268,8 @@ func BoldDirtyDefault(v string) string {
 
 	return v
 }
+
+// AddDirtyMarker adds the dirty marker to a version string.
+func AddDirtyMarker(v string) string {
+	return fmt.Sprintf("%s%s", v, config.DIRTY_DEFAULT)
+}