[DOCS] Fix JSON spec linnk for PIT API (#61783)

docs/reference/redirects.asciidoc

@@ -1167,4 +1167,9 @@ We have removed documentation for this API. This a low-level API used to get
 information about snapshot-backed indices. We plan to remove or drastically
 change this API as part of a future release.
 
-For other searchable snapshot APIs, see <<searchable-snapshots-apis>>.
+For other searchable snapshot APIs, see <<searchable-snapshots-apis>>.
+
+[role="exclude",id="point-in-time"]
+=== Point in time API
+
+See <<point-in-time-api>>.

x-pack/plugin/src/test/resources/rest-api-spec/api/close_point_in_time.json

@@ -1,7 +1,7 @@
 {
   "close_point_in_time":{
     "documentation":{
-      "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time.html",
+      "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time-api.html",
       "description":"Close a point in time"
     },
     "stability":"stable",

x-pack/plugin/src/test/resources/rest-api-spec/api/open_point_in_time.json

@@ -1,7 +1,7 @@
 {
   "open_point_in_time":{
     "documentation":{
-      "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time.html",
+      "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/point-in-time-api.html",
       "description":"Open a point in time that can be used in subsequent searches"
     },
     "stability":"stable",