Update download url for test data · cta-observatory/ctapipe_io_lst@26c412f

The job was canceled because "_3_11_0_20_0" failed.

The operation was canceled.

Failed to save: Unable to reserve cache with key micromamba-downloads--linux-64, another job may be creating this cache. More details: Cache already exists. Scope: refs/pull/224/merge, Key: micromamba-downloads--linux-64, Version: fd589871226f2427db40904ab3f139f6e9fe542d5228eeb2a790fd83584854df