www/nginx-devel: update from 1.27.2 to 1.27.3

<ChangeLog>

*) Feature: the "server" directive in the "upstream" block supports the

"resolve" parameter.

*) Feature: the "resolver" and "resolver_timeout" directives in the

"upstream" block.

*) Feature: SmarterMail specific mode support for IMAP LOGIN with

untagged CAPABILITY response in the mail proxy module.

*) Change: now TLSv1 and TLSv1.1 protocols are disabled by default.

*) Change: an IPv6 address in square brackets and no port can be

specified in the "proxy_bind", "fastcgi_bind", "grpc_bind",
"memcached_bind", "scgi_bind", and "uwsgi_bind" directives, and as
client address in ngx_http_realip_module.

*) Bugfix: in the ngx_http_mp4_module.

Thanks to Nils Bars.

*) Bugfix: the "so_keepalive" parameter of the "listen" directive might

be handled incorrectly on DragonFly BSD.

*) Bugfix: in the "proxy_store" directive.

</ChangeLog>