Fix xml report "Unrecognized configuration feature: indent-number" (fixes #818)

Author: ben-manes

gradle-versions-plugin/src/main/kotlin/com/github/benmanes/gradle/versions/reporter/XmlReporter.kt

@@ -40,8 +40,6 @@ class XmlReporter(
     writeGradle(result, document, response)
 
     val transformerFactory = TransformerFactory.newInstance()
-    transformerFactory.setAttribute("indent-number", 2)
-
     val transformer = transformerFactory.newTransformer()
     transformer.setOutputProperty(OutputKeys.INDENT, "yes")
     transformer.setOutputProperty(OutputKeys.STANDALONE, "yes")

gradle.properties

@@ -1,5 +1,5 @@
 GROUP=com.github.ben-manes
-VERSION_NAME=0.49.0
+VERSION_NAME=0.50.0
 
 POM_INCEPTION_YEAR=2012
 POM_PACKAGING=jar