Add CHANGES: Fixed SSL_export_keying_material for QUIC.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from #23567)

(cherry picked from commit a2ccaa6)

CHANGES.md

@@ -114,7 +114,14 @@ OpenSSL 3.3
 OpenSSL 3.2
 -----------
 
-### Changes between 3.2.0 and 3.2.1 [xx XXX xxxx]
+### Changes between 3.2.1 and 3.2.2 [xx XXX xxxx]
+
+ * Fixed bug where SSL_export_keying_material() could not be used with QUIC
+   connections. (#23560)
+
+   *Hugo Landau*
+
+### Changes between 3.2.0 and 3.2.1 [30 Jan 2024]
 
  * A file in PKCS12 format can contain certificates and keys and may come from
    an untrusted source. The PKCS12 specification allows certain fields to be