Bump socket.io from 2.1.1 to 4.4.1 in /demo

[dependabot]

Bumps socket.io from 2.1.1 to 4.4.1.

Release notes

Sourced from socket.io's releases.

4.4.1

Bug Fixes

• types: make RemoteSocket.data type safe (#4234) (770ee59)
• types: pass SocketData type to custom namespaces (#4233) (f2b8de7)

Links:

• Diff: socketio/socket.io@4.4.0...4.4.1
• Client release: 4.4.1
• engine.io version: ~6.1.0 (diff)
• ws version: ~8.2.3

4.4.0

Bug Fixes

• only set 'connected' to true after middleware execution (02b0f73)

Features

• add an implementation based on uWebSockets.js (c0d8c5a)

const { App } = require("uWebSockets.js");
const { Server } = require("socket.io");
const app = new App();
const io = new Server();
io.attachApp(app);
io.on("connection", (socket) => {
// ...
});
app.listen(3000, (token) => {
if (!token) {
console.warn("port already in use");
}
});

• add timeout feature (f0ed42f)

socket.timeout(5000).emit("my-event", (err) => {
  if (err) {
    // the client did not acknowledge the event in the given delay
  }
</tr></table> 

... (truncated)

Changelog

Sourced from socket.io's changelog.

4.4.1 (2022-01-06)

Bug Fixes

• types: make RemoteSocket.data type safe (#4234) (770ee59)
• types: pass SocketData type to custom namespaces (#4233) (f2b8de7)

4.4.0 (2021-11-18)

Bug Fixes

• only set 'connected' to true after middleware execution (02b0f73)

Features

• add an implementation based on uWebSockets.js (c0d8c5a)
• add timeout feature (f0ed42f)
• add type information to socket.data (#4159) (fe8730c)

4.3.2 (2021-11-08)

Bug Fixes

• fix race condition in dynamic namespaces (#4137) (9d86397)

4.3.1 (2021-10-16)

Bug Fixes

• fix server attachment (#4127) (0ef2a4d)

4.3.0 (2021-10-14)

Bug Fixes

• typings: add name field to cookie option (#4099) (033c5d3)
• send volatile packets with binary attachments (dc81fcf)

... (truncated)

Commits

• c82a4bd chore(release): 4.4.1
• 770ee59 fix(types): make RemoteSocket.data type safe (#4234)
• 3bf5d92 refactor: add note about fetchSockets() for parent namespaces
• fc82e44 refactor(typings): export Event type (#4215)
• c840bad test: fix flaky tests
• f2b8de7 fix(typings): pass SocketData type to custom namespaces (#4233)
• 51784d0 chore: add types to exports field to be compatible with nodenext module resol...
• c196689 docs: fix basic crud example
• 7a70f63 docs: fix reconnection handling in the chat demo app (#4189)
• e5897dd docs: add usage with ES modules (#4195)
• Additional commits viewable in compare view

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