Update tasklist beta waitlist wording (#42169)

Author: sophietheking

content/issues/managing-your-tasks-with-tasklists/about-tasklists.md

@@ -13,7 +13,7 @@ topics:
 
 **Notes:**
 
-- Tasklists are currently in private beta and subject to change. If you are interested in trying tasklists, you can join the [waitlist](https://aka.ms/tasklist-roadmap-signup). Tasklists build upon the previous iteration of [task lists](/get-started/writing-on-github/working-with-advanced-formatting/about-task-lists).
+- Tasklists are in private beta and subject to change. We have currently paused onboarding to the beta. Tasklists build upon the previous iteration of [task lists](/get-started/writing-on-github/working-with-advanced-formatting/about-task-lists).
 - For the best experience, we recommend adding no more than 50 tasks to a tasklist and no more than 5 tasklists per issue. There is a hard limit of 250 tasks per tasklist and 10 tasklists per issue.
 
 {% endnote %}

data/reusables/projects/tasklists-release-stage.md

@@ -1,6 +1,6 @@
 {% note %}
 
-**Note:** Tasklists are currently in private beta and subject to change. If you are interested in trying tasklists, you can join the [waitlist](https://aka.ms/tasklist-roadmap-signup).
+**Note:** Tasklists are in private beta and subject to change. We have currently paused onboarding to the beta.
 
 {% endnote %}