Bump fastapi-sso from 0.20.0 to 0.21.0 in /backend - #1591

Warning: Code scanning cannot determine the alerts introduced by this pull request, because 3 configurations present on refs/heads/master were not found:

Default setup

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

View all branch alerts.