[DOCS] Fixes link to cat transforms API (#1120)

api/api/transform.cat_transform.js

@@ -30,7 +30,7 @@ function buildTransformCatTransform (opts) {
 
   /**
    * Perform a transform.cat_transform request
-   * https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-transform.html
+   * https://www.elastic.co/guide/en/elasticsearch/reference/master/cat-transforms.html
    */
   return function transformCatTransform (params, options, callback) {
     options = options || {}

docs/reference.asciidoc

@@ -9175,7 +9175,7 @@ client.transform.catTransform({
   v: boolean
 })
 ----
-link:{ref}/cat-transform.html[Documentation] +
+link:{ref}/cat-transforms.html[Documentation] +
 [cols=2*]
 |===
 |`transform_id` or `transformId`