Doc: correct erroneous entry in this week's minor release notes.
The patch to disallow a NULL specification in combination with
GENERATED ... AS IDENTITY applied to both ALWAYS and BY DEFAULT
variants of that clause, not only the former.
Noted by Shay Rojansky.
Discussion:
@@ -186,7 +186,7 @@ Branch: REL_10_STABLE [e5794cd59] 2021-03-12 11:08:42 -0500
</para>
<para>
- <literal>GENERATED ALWAYS AS IDENTITY</literal> implies <literal>NOT
+ <literal>GENERATED ... AS IDENTITY</literal> implies <literal>NOT
NULL</literal>, so don't allow it to be combined with an
explicit <literal>NULL</literal> specification.
</para>
