[Snyk] Security upgrade socket.io from 3.1.2 to 4.5.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • appengine/websockets/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	661/1000 Why? Recently disclosed, Has a fix available, CVSS 7.5	Denial of Service (DoS) SNYK-JS-ENGINEIO-3136336	Yes	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: socket.io

The new version differs by 89 commits.

• 8ecfcba chore(release): 4.5.0
• 572133a docs(examples): update example with webpack
• 6e1bb62 chore: bump engine.io to version 6.2.0
• 06e6838 docs(examples): add server bundling example with rollup
• 1f03a44 docs(examples): update create-react-app example (#4347)
• be3d7f0 docs(examples): add TODO example with Postgres and Node.js cluster
• d12aab2 docs(examples): add example with express-session
• 9f75868 docs(examples): pin the version of karma-jasmine-html-reporter
• 0b35dc7 refactor: make the protocol implementation stricter
• 531104d feat: add support for catch-all listeners for outgoing packets
• 8b20457 feat: broadcast and expect multiple acks
• 0b7d70c chore: bump lockfile to v2
• 2f96438 chore: bump engine.io version to fix CVE-2022-21676 (#4262)
• 02c87a8 fix(typings): ensure compatibility with TypeScript 3.x (#4259)
• 37b6d8f chore: update default label for bug reports
• af54565 docs: remove broken badges
• aa5312a chore: revert to lockfile v1
• 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 resolution (#4228)

See the full diff

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[github-actions]

Scan Summary

Tool	Critical	High	Medium	Low	Status
Secrets Audit	0	4	0	0	❌
Security Audit for Infrastructure	15	78	0	68	❌
Shell Script Analysis	0	0	0	0	✅

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