Rename Wikimania Katowice to a variable for {event}

[lcduong]

Fixes #302

Short description of what this resolves:

Get event name variable instead of hardcode event name.

Changes proposed in this pull request:

• Get event name base on current language and set in message

Checklist

• [x] I have read the Contribution & Best practices Guide.
• [x] My branch is up-to-date with the Upstream development branch.
• [ ] The acceptance, integration, unit tests and linter pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)

Summary by Sourcery

Refactor the code to dynamically retrieve the event name based on the current language setting, replacing the hardcoded 'Wikimania Katowice' with a variable. This ensures that the event name is displayed correctly in the user's preferred language.

Enhancements:

• Replace hardcoded event name 'Wikimania Katowice' with a dynamic variable that retrieves the event name based on the current language setting.