TLS: Using ERR_get_error_all() with OpenSSL 3.

Link: <https://www.openssl.org/docs/man3.0/man7/migration_guide.html>
Cc: Andy Postnikov <apostnikov@gmail.com>
Cc: Andrew Clayton <a.clayton@nginx.com>
Signed-off-by: Remi Collet <remi@remirepo.net>
Signed-off-by: Alejandro Colomar <alx@nginx.com>

docs/changes.xml

@@ -43,6 +43,12 @@ prefer system crypto policy, instead of hardcoding a default.
 </para>
 </change>
 
+<change type="feature">
+<para>
+compatibility with OpenSSL 3.
+</para>
+</change>
+
 <change type="feature">
 <para>
 compatibility with PHP 8.2.