Documentation: Supplement key exchange supported by Apache MINA

Curve25519 and Curve448 kex algorithms were added to Apache MINA in
context of this request: [1]. See also the RFC-8731 for more details:
[2].

[1] https://issues.apache.org/jira/browse/SSHD-704
[2] https://datatracker.ietf.org/doc/html/rfc8731

Release-Notes: Supplement key exchange supported by Apache MINA.
Change-Id: I6c20a2bb9aff36c50c95f3595f953d1db626ff62
diff --git a/Documentation/config-gerrit.txt b/Documentation/config-gerrit.txt
index 3b650e8..3e60e0e 100644
--- a/Documentation/config-gerrit.txt
+++ b/Documentation/config-gerrit.txt
@@ -5135,6 +5135,9 @@
 * `ecdh-sha2-nistp521`
 * `ecdh-sha2-nistp384`
 * `ecdh-sha2-nistp256`
+* `curve25519-sha256`
+* `curve25519-sha256@libssh.org`
+* `curve448-sha512`
 * `diffie-hellman-group-exchange-sha256`
 * `diffie-hellman-group18-sha512`
 * `diffie-hellman-group17-sha512`