Bump @testing-library/user-event from 14.6.3 to 14.6.4 in /webapp - #1884

Warning: Code scanning cannot determine the alerts introduced by this pull request, because 4 configurations present on refs/heads/main were not found:

Default setup

• ❓  /language:actions
• ❓  /language:csharp
• ❓  /language:javascript-typescript
• ❓  /language:python

View all branch alerts.