Not just them. For example, Qt self hosted cgit got ddos just two weeks ago. No idea why random open source projects getting attacked.

> in the past 48 hours, code.qt.io has been under a persistent DDoS attack. The attackers utilize a highly distributed network of IP addresses, attempting to obstruct services and network bandwidth.

https://lists.qt-project.org/pipermail/development/2025-Nove...