Add Node Congress for javascript

[confs-tech-bot]

Conference information

Website: https://nodecongress.com
CFP: https://forms.gle/YDJ8YuHkosqsHkN59
Twitter: https://twitter.com/@NodeCongress

// javascript

{
  "name": "Node Congress",
  "url": "https://nodecongress.com",
  "startDate": "2025-04-17",
  "endDate": "2025-04-18",
  "online": true,
  "locales": "EN",
  "cocUrl": "https://gitnation.com/coc",
  "cfpUrl": "https://forms.gle/YDJ8YuHkosqsHkN59",
  "cfpEndDate": "2025-02-15",
  "twitter": "@NodeCongress"
}

[github-actions]

Conferences not in the right order,

please run the following command locally: npm run reorder-confs
or run the job reorder job for this branch