Fix links for stargazers and watching documentation (#62188)

Author: jezcommits

content/rest/activity/starring.md

@@ -28,6 +28,6 @@ In responses from the REST API, `watchers`, `watchers_count`, and `stargazers_co
 
 ### New access restrictions
 
-In July 2026, to ensure responsible use of this data and to protect users from misuse, we are introducing new access restrictions to the endpoints related to starring. Access to the stargazers listing endpoints will be limited to admins and collaborators. For more information, see the [changelog post](/WIP).
+In July 2026, to ensure responsible use of this data and to protect users from misuse, we are introducing new access restrictions to the endpoints related to starring. Access to the stargazers listing endpoints will be limited to admins and collaborators. For more information, see the [changelog post](https://github.blog/changelog/2026-06-30-upcoming-access-restrictions-to-public-api-endpoints-and-ui-views/).
 
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content/rest/activity/watching.md

@@ -27,6 +27,6 @@ In responses from the REST API, `subscribers_count` corresponds to the number of
 
 ### New access restrictions
 
-In July 2026, to ensure responsible use of this data and to protect users from misuse, we are introducing new access restrictions to several public API endpoints related to watching. Access to the subscribers and subscriptions listing endpoints will be limited to admins and collaborators, and the endpoint that lists repositories watched by a user is being deprecated. During the deprecation period, the endpoint will remain available but will return empty responses, and it will be fully removed in a later phase. For more information, see the [changelog post](/WIP).
+In July 2026, to ensure responsible use of this data and to protect users from misuse, we are introducing new access restrictions to several public API endpoints related to watching. Access to the subscribers and subscriptions listing endpoints will be limited to admins and collaborators, and the endpoint that lists repositories watched by a user is being deprecated. During the deprecation period, the endpoint will remain available but will return empty responses, and it will be fully removed in a later phase. For more information, see the [changelog post](https://github.blog/changelog/2026-06-30-upcoming-access-restrictions-to-public-api-endpoints-and-ui-views/).
 
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