[Snyk] Security upgrade socket.io from 4.5.3 to 4.6.0

[tallosim]

This PR was automatically created by Snyk using the credentials of a real user.

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:
  • backend/package.json
  • backend/package-lock.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	Uncaught Exception SNYK-JS-ENGINEIO-5496331	No	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 25 commits.

• a2e5d1f chore(release): 4.6.0
• d8143cc refactor: do not persist session if connection state recovery if disabled
• b2dd7cf chore: bump engine.io to version 6.4.0
• 3734b74 revert: feat: expose current offset to allow deduplication
• 8aa9499 feat: add description to the disconnecting and disconnect events (#4622)
• 4e64123 feat: expose current offset to allow deduplication
• 115a981 refactor: do not include the pid by default
• 0c0eb00 fix: add timeout method to remote socket (#4558)
• f8640d9 refactor: export DisconnectReason type
• 93d446a refactor: add charset when serving the bundle files
• 184f3cf feat: add promise-based acknowledgements
• 5d9220b feat: add the ability to clean up empty child namespaces (#4602)
• 1298839 test: add test with onAnyOutgoing() and binary attachments
• 6c27b8b test: add test with socket.disconnect(true)
• f3ada7d fix(typings): properly type emits with timeout
• a21ad88 docs(changelog): add note about maxHttpBufferSize default value (#4596)
• 54d5ee0 feat: implement connection state recovery
• da2b542 perf: precompute the WebSocket frames when broadcasting
• b7d54db docs: add Rust client implementation (#4592)
• d4a9b2c refactor(typings): add types for io.engine (#4591)
• 547c541 chore: add security policy
• 3b7ced7 chore(release): 4.5.4
• c00bb95 chore: bump engine.io to version 6.2.1
• 57e5f25 chore: bump socket.io-parser to version 4.2.1

See the full diff

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