emulators/yuzu: unbreak fetch via Codeberg mirror

fetch: https://codeload.github.com/yuzu-mirror/yuzu/tar.gz/15e6e48bef?dummy=/yuzu-mirror-yuzu-s20240301-15e6e48bef_GH0.tar.gz: Not Found
(cherry picked from commit 4021b373abaa323119f1d817e329350c9292a2c9)