fix: correct artifact name and variant handling in GHA workflow

.github/workflows/katsu-live-iso.yml

@@ -105,10 +105,10 @@ jobs:
       - name: Sanitize artifact name
         run: |
           name=$(echo ${{ inputs.variant }} | sed 's/\//-/g')
-          name=$name-${{ inputs.arch }}
+          name=$name-${{ matrix.arch }}
 
           # set github variable
-          echo artifact=$name-${{ inputs.arch }}-live >> $GITHUB_ENV
+          echo artifact=$name-${{ matrix.arch }}-live >> $GITHUB_ENV
           # Get architecture
           # e.g. flagship/flagship-live -> flagship
           echo variant=$(echo ${{ inputs.variant }} | cut -d'/' -f1) >> $GITHUB_ENV
@@ -123,7 +123,7 @@ jobs:
           rm -rf /etc/rpm/macros.image-language-conf
           chcon system_u:object_r:install_exec_t:s0 "$(which katsu)"
           pushd katsu
-          KATSU_KEEP_CHROOT=1 KATSU_LOG=trace katsu -v --output=iso "modules/${{ matrix.variant }}/${{ matrix.variant }}-live.yaml"
+          KATSU_KEEP_CHROOT=1 KATSU_LOG=trace katsu -v --output=iso "modules/${{ inputs.variant }}/${{ inputs.variant }}-live.yaml"
           # get the ISO name, and then append the arch
           # e.g. flagship-live.iso -> flagship-live-x86_64.iso