Add uxcon vienna for product, ux, accessibility

[confs-tech-bot]

Conference information

Website: https://www.uxcon.io

Twitter: https://twitter.com/@uxconvienna

// product, ux, accessibility

{
  "name": "uxcon vienna",
  "url": "https://www.uxcon.io",
  "startDate": "2025-10-06",
  "endDate": "2025-10-08",
  "city": "Vienna",
  "country": "Austria",
  "online": true,
  "locales": "EN",
  "cocUrl": "https://www.uxcon.io/community-etiquette",
  "twitter": "@uxconvienna"
}

[github-actions]

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