Tried again today and the problem is gone:
Retrieving package qgis-3.8.3-1.4.x86_64
(1/1), 40.0 MiB (210.9 MiB
unpacked)
Retrieving: qgis-3.8.3-1.4.x86_64.rpm ....................[done (3.0 MiB/s)]
Checking for file conflicts: .........................................[done]
(1/1) Installing: qgis-3.8.3-1.4.x86_64 ..............................[done]