correcting versioning number for major set to 1 to 1.2.1

Author: ericd-mst-github

articles/virtual-machines/linux/image-builder-json.md

@@ -1052,7 +1052,7 @@ versioning properties:
 - **scheme** - Generate new version number for distribution. `Latest` or `Source` are two possible values.
 - **major** - Specifies the major version under which to generate the latest version. Only applicable when the `scheme` is set to `Latest`. For example, in a gallery with the following versions published: 0.1.1, 0.1.2, 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.2.0, 2.0.0, 2.0.1, 2.1.0
     - With major not set or major set to 2, The `Latest` scheme generates version 2.1.1
-    - With major set to 1, the Latest scheme generates version 1.1.2
+    - With major set to 1, the Latest scheme generates version 1.2.1
     - With major set to 0, the Latest scheme generates version 0.1.3
 
 ### Distribute: VHD