fix: restore mergerfs RPM install

This is a second fix for #214, since the first fix was more of a
workaround. But since upstream build an F41 RPM package in reponse to
our bug report, we can use that now, which fixes the concern reported by
users of mergerfs.

Fixes: #214

ucore/install-ucore.sh

@@ -14,15 +14,7 @@ export IMAGE_NAME=ucore
 /ctx/packages.sh
 
 # install packages direct from github
-# Fedora 41 packages missing for mergerfs
-#/ctx/github-release-install.sh trapexit/mergerfs fc${RELEASE}.x86_64
-curl --fail --retry 5 --retry-delay 5 --retry-all-errors -sSL -o /tmp/mfs-api.json \
-    "https://api.github.com/repos/trapexit/mergerfs/releases/latest"
-MFS_TGZ_URL=$(cat /tmp/mfs-api.json | \
-    jq -r --arg arch_filter "linux_amd64" \
-    '.assets | sort_by(.created_at) | reverse | .[] | select(.name|test($arch_filter)) | select (.name|test("tar.gz$")) | .browser_download_url')
-curl -sSL -o /tmp/mergerfs.tar.gz "${MFS_TGZ_URL}"
-tar -zxvf /tmp/mergerfs.tar.gz -C /usr --strip-components=2
+/ctx/github-release-install.sh trapexit/mergerfs fc${RELEASE}.x86_64
 
 # tweak os-release
 sed -i '/^PRETTY_NAME/s/(uCore.*$/(uCore)"/' /usr/lib/os-release