[ircdkit] ircdkit vulnerable to Denial of Service due to unhandled connection end event

Versions of ircdkit 1.0.3 and prior are vulnerable to a remote denial of service.

Recommendation

Upgrade to version 1.0.4.

References

• https://github.com/Twipped/ircdkit/issues/1
• https://github.com/Twipped/ircdkit/commit/f0cc6dc913ec17b499fa33a676bb72c624456f2c
• https://www.npmjs.com/advisories/735
• https://snyk.io/vuln/SNYK-JS-IRCDKIT-173688
• https://github.com/Twipped/ircdkit/pull/2/commits/595ed02cde517fad57854d2ac2855a09a626e665
• https://github.com/advisories/GHSA-f7r3-p866-q9qr