obspy: read standard example from remote doesn't work

```python
from obspy import read
st = read('http://examples.obspy.org/RJOB_061005_072159.ehz.new')
```

fails with NetworkError.

<img width="3102" height="1316" alt="Image" src="https://github.com/user-attachments/assets/deeddc8e-33ac-4b87-abca-deb8b2a0c2e1" />

This may be a CORS issue
