Build error by using aarch64-poky-linux-gcc 12.2.0 2022 on otbr-web

[TE-N-ElvenWang]

The otbr-web using Simple-Web-Server.
With older aarch64 poky gcc there don't have any build error. But when use 2022 aarch64 poky linux gcc, will see below build error:
In file included from /home/haoran/matter/ot-br-posix/src/web/web-service/web_server.cpp:42:
/home/haoran/matter/ot-br-posix/third_party/Simple-web-server/repo/server_http.hpp: In instantiation of ‘SimpleWeb::ServerBase<socket_type>::Request::Request(const s
ocket_type&) [with socket_type = boost::asio::basic_stream_socketboost::asio::ip::tcp]’:
/home/haoran/matter/ot-br-posix/third_party/Simple-web-server/repo/server_http.hpp:460:74: required from here
/home/haoran/matter/ot-br-posix/third_party/Simple-web-server/repo/server_http.hpp:125:36: error: ‘SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio
::ip::tcp> >::Request::streambuf’ will be initialized after [-Werror=reorder]
125 | boost::asio::streambuf streambuf; | ^~~~~~~~~
compilation terminated due to -Wfatal-errors.

[TE-N-ElvenWang]

found a fix:
[web] bump to latest Simple-Web-Server version (#1667)

Bump Simple-Web-Server to the latest git commit. This fixes a compile
issue seen with GCC 12.2.0:

In file included from /home/sag/projects/openthread/ot-br-posix/src/web/web-service/web_server.cpp:42: /home/sag/projects/openthread/ot-br-posix/third_party/Simple-web-server/repo/server_http.hpp: In instantiation of ‘SimpleWeb::ServerBase<socket_type>::Request::Request(const socket_type&) [with socket_type = boost::asio::basic_stream_socket<boost::asio::ip::tcp>]’:
/home/sag/projects/openthread/ot-br-posix/third_party/Simple-web-server/repo/server_http.hpp:460:74:   required from here
/home/sag/projects/openthread/ot-br-posix/third_party/Simple-web-server/repo/server_http.hpp:119:57: error: member ‘SimpleWeb::ServerBase<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >::Request::streambuf’ is used uninitialized [-Werror=uninitialized]
  119 |             Request(const socket_type &socket): content(streambuf) {
      |                                                         ^~~~~~~~~