Blender 3.0+ for AMD support requires ROCm HIP (OpenCL was enough before that) Blender - ArchWiki
Fedora packages are too new to be supported by AMD proprietary drivers (those are intended for some LTS distributions).
For open-source solutions there’s an AMD employee working (in his spare time) on adding rocm-hip to Fedora, you can contact him and help with testing: Revisiting ROCm packaging - devel - Fedora Mailing-Lists
Read that topic (there’s some copr repo at the end, reported to be enabling blender to work on AMD GPUs):