news: note the addition of ECX and SHAKE256 to the FIPS provider as non-approved algorithms

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11371)

NEWS.md

@@ -21,6 +21,9 @@ OpenSSL 3.0
 
 ### Major changes between OpenSSL 1.1.1 and OpenSSL 3.0 [under development] ###
 
+  * The X25519, X448, Ed25519, Ed448 and SHAKE256 algorithms are included in
+    the FIPS provider.  None have the "fips=yes" property set and, as such,
+    will not be accidentially used.
   * The algorithm specific public key command line applications have
     been deprecated.  These include dhparam, gendsa and others.  The pkey
     alternatives should be used intead: pkey, pkeyparam and genpkey.