Update release note for 3.2.2 (#22636)

Co-authored-by: “jmarlena” <“[email protected]”>

Author: jmarlena

data/release-notes/enterprise-server/2-22/23.yml

@@ -12,6 +12,7 @@ sections:
   changes:
     - 'Browsing and job performance optimizations for repositories with many refs.'
   known_issues:
+    - After saving a new release on a repository, the `/releases` page shows a 500 error. A fix for this issue is expected to ship in 3.2.3.
     - On a freshly set up {% data variables.product.prodname_ghe_server %} without any users, an attacker could create the first admin user.
     - Custom firewall rules are removed during the upgrade process.
     - Git LFS tracked files [uploaded through the web interface](https://github.com/blog/2105-upload-files-to-your-repositories) are incorrectly added directly to the repository.