Add release-notes for 2.29 (#2016)

Author: mohamed-rafraf

content/kubermatic/v2.29/release-notes/_index.en.md

@@ -1,10 +1,7 @@
 +++
 title = "Release Notes"
-date = 2023-11-14T15:00:00+01:00
+date = 2025-10-23T15:00:00+01:00
 weight = 70
 +++
 
-<!--
-Uncomment this and update the URL to the right url:
-{{< render_external_markdown "https://raw.githubusercontent.com/kubermatic/kubermatic/v2.29/docs/changelogs/CHANGELOG-<RELEASE>.md" >}}
--->
+{{< render_external_markdown "https://raw.githubusercontent.com/kubermatic/kubermatic/refs/heads/main/docs/changelogs/CHANGELOG-2.29.md" >}}