fix: Document domain connectivity changes in upcoming release

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

admin_manual/installation/harden_server.rst

@@ -248,14 +248,16 @@ security headers are shipped.
 .. _Web TLS Profiler: https://tlsprofiler.danielfett.de/
 .. _RFC 4086 ("Randomness Requirements for Security"): https://tools.ietf.org/html/rfc4086#section-5.2
 
+.. _connections_to_remote_servers:
+
 Connections to remote servers
 -----------------------------
 
 Some functionalities require the Nextcloud server to be able to connect remote systems via https/443.
 This paragraph also includes the data which is being transmitted to the Nextcloud GmbH.
 Depending on your server setup, these are the possible connections:
 
-- www.nextcloud.com, www.startpage.com, www.eff.org, www.edri.org, nextcloud.com, startpage.com, eff.org, edri.org
+- connectivity.nextcloud.com, www.eff.org, edri.org
 	- `optional (config)`_
 	- for checking the internet connection
 - cloud.nextcloud.com

admin_manual/release_notes/index.rst

@@ -14,6 +14,7 @@ These sub pages will cover the most important changes in Nextcloud, as well as s
 .. toctree::
    :maxdepth: 1
 
+   upgrade_to_33.rst
    upgrade_to_32.rst
    upgrade_to_31.rst
    upgrade_to_30.rst