semaphore: use Ubuntu 24.04

Semaphore CI/CD now emits the following error.
```
OS image 'ubuntu2004' for machine type 'e1-standard-2' is currently in a brownout phase.
Please use another OS image.
```
Let's use newer image.
This commit is contained in:
Yu Watanabe
2026-03-10 09:18:48 +09:00
committed by Luca Boccassi
parent e1877e6b06
commit e7485799a4

View File

@@ -7,7 +7,7 @@ name: Debian autopkgtest (LXC)
agent:
machine:
type: e1-standard-2
os_image: ubuntu2004
os_image: ubuntu2404
# Cancel any running or queued job for the same ref
auto_cancel: