update changes entry to note EdDSA is not FIPS approved

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from #20343)

CHANGES.md

@@ -225,8 +225,8 @@ OpenSSL 3.1
    backward compatibility purposes and the "fips=yes" property query
    must be used for all algorithm fetches to ensure FIPS compliance.
 
-   The algorithms that are included but not approved are Triple DES ECB
-   and Triple DES CBC.
+   The algorithms that are included but not approved are Triple DES ECB,
+   Triple DES CBC and EdDSA.
 
    *Paul Dale*