build(deps): bump ws from 8.20.1 to 8.21.1 in /examples/github-app

[dependabot]

Bumps ws from 8.20.1 to 8.21.1.

Release notes

Sourced from ws's releases.

8.21.1

Bug fixes

• Empty fragments are now counted toward the limit (a2f4e7c0).
• The default values of the maxBufferedChunks and maxFragments options have been reduced (f197ac65).

8.21.0

Features

• Introduced the maxBufferedChunks and maxFragments options (2b2abd45).

Bug fixes

• Fixed a remote memory exhaustion DoS vulnerability (2b2abd45).

A high volume of tiny fragments and data chunks could be sent by a peer, using modest network traffic, to crash a ws server or client due to OOM.

import { WebSocket, WebSocketServer } from 'ws';
const wss = new WebSocketServer({ port: 0 }, function () {
const data = Buffer.alloc(1);
const options = { fin: false };
const { port } = wss.address();
const ws = new WebSocket(ws://localhost:${port});
ws.on('open', function () {
(function send() {
ws.send(data, options, function (err) {
if (err) return;
send();
});
})();
});
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(client close - code: ${code} reason: ${reason.toString()});
});
});
wss.on('connection', function (ws) {
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(server close - code: ${code} reason: ${reason.toString()});
});
});

... (truncated)

Commits

• ae1de54 [dist] 8.21.1
• 8e9511b [ci] Trust Coveralls Homebrew tap
• f197ac6 [fix] Lower default values of maxBufferedChunks and maxFragments
• 8df8265 [ci] Update actions/checkout action to v7
• a2f4e7c [fix] Count empty fragments toward the limit (#2329)
• e79f912 [pkg] Approve install scripts for bufferutil and utf-8-validate
• 4ea355d [doc] Document 32-bit signed integer coercion for option values
• 2120f4c [example] Remove uuid dependency
• 4c534a6 [security] Add latest vulnerability to SECURITY.md
• bca91ad [dist] 8.21.0
• Additional commits viewable in compare view

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
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Latest commit: a364a61

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.84%. Comparing base (558bc20) to head (a364a61).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4053   +/-   ##
=======================================
  Coverage   97.84%   97.84%           
=======================================
  Files         156      156           
  Lines        3057     3057           
  Branches      612      612           
=======================================
  Hits         2991     2991           
  Misses         18       18           
  Partials       48       48           

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