fix upload

.github/workflows/build.yml

@@ -92,12 +92,13 @@ jobs:
       - name: 'Generate archive'
         if: ${{ !github.event.pull_request.head.repo.fork }}
         run: |
-          tar -cvf blackmagic-firmware-s2-full-${SUFFIX}.tgz -C artifacts/ .
+          mkdir -p "artifacts-archive"
+          tar -cvf artifacts-archive/blackmagic-firmware-s2-full-${SUFFIX}.tgz -C artifacts/ .
 
       - name: 'Upload artifacts to update server'
         if: ${{ !github.event.pull_request.head.repo.fork }}
         run: |
-          FILES=$(for CUR in $(ls artifacts/); do echo "-F files=@artifacts/$CUR"; done)
+          FILES=$(for CUR in $(ls artifacts-archive/); do echo "-F files=@artifacts-archive/$CUR"; done)
           curl --fail -L -H "Token: ${{ secrets.INDEXER_TOKEN }}" \
               -F "branch=${BRANCH_NAME}" \
               ${FILES[@]} \