C#: Fix query name for source model generation.

Author: michaelnebel

csharp/ql/src/utils/model-generator/CaptureSourceModels.ql

@@ -1,7 +1,7 @@
 /**
  * @name Capture source models.
  * @description Finds APIs that act as sources as they expose already known sources.
- * @id cs/utils/model-generator/sink-models
+ * @id cs/utils/model-generator/source-models
  */
 
 private import internal.CaptureModels