Update release documentation for OQS-OpenSSH snapshot 2023-10

RELEASE.md

@@ -1,4 +1,4 @@
-OQS-OpenSSH snapshot 2022-08
+OQS-OpenSSH snapshot 2023-10
 ============================
 
 About
@@ -13,25 +13,20 @@ The **Open Quantum Safe (OQS) project** has the goal of developing and prototypi
 Release notes
 =============
 
-This is the 2022-08 snapshot release of OQS-OpenSSH, released on August 23, 2022. This release is intended to be used with liboqs version 0.7.2.
+This is the 2023-10 snapshot release of OQS-OpenSSH, released on October 21, 2023. This release is intended to be used with liboqs version 0.9.0.
 
 What's New
 ----------
 
 This is the seventh snapshot release of the OQS fork of OpenSSH.  It is based on OpenSSH 8.9 portable 1.
 
-- Update to upstream v8.9p1.
-- Remove Rainbow level 1 and SIKE/SIDH.
+- Update algorithm list in line with `liboqs` v0.9.0.
 
 ---
 
 Detailed changelog
 ------------------
 
-* Use mpint representation for shared_secret when deriving keys in pure-PQ key exchange, and some other bug fixes; fixes #119 by @kevinmkane in https://github.com/open-quantum-safe/openssh/pull/120
-* V_8_9_P1 upgrade by @christianpaquin in https://github.com/open-quantum-safe/openssh/pull/121
-* bring testing and documentation in line by @baentsch in https://github.com/open-quantum-safe/openssh/pull/123
-* remove rainbowI, sike/sidh by @baentsch in https://github.com/open-quantum-safe/openssh/pull/126
+* Update IDs to reflect updated McEliece in liboqs v0.9.0 in https://github.com/open-quantum-safe/openssh/pull/148
 
-
-**Full Changelog**: https://github.com/open-quantum-safe/openssh/compare/OQS-OpenSSH-snapshot-2022-01...OQS-OpenSSH-snapshot-2022-08
+**Full Changelog**: https://github.com/open-quantum-safe/openssh/compare/OQS-OpenSSH-snapshot-2023-06...OQS-OpenSSH-snapshot-2023-10