GO build failure for no apparent reason


https://github.com/compiler-explorer/compiler-workflows/actions/runs/18209302811/job/51846594278

```
+ ./make.bash
  Building Go cmd/dist using /root/bootstrap/go. (go1.22.6 linux/amd64)
  found packages main (build.go) and building_Go_requires_Go_1_24_6_or_later (notgo124.go) in /root/master/go/src/cmd/dist
  Error: Process completed with exit code 1.
```
