enable git lfs for checkout

.github/workflows/ci.yml

@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
+        with:
+          lfs: true
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
@@ -29,10 +31,16 @@ jobs:
       image: bilelmoussaoui/flatpak-github-actions:gnome-42
       options: --privileged
     steps:
+    - name: Install git-lfs
+      run: dnf update -y && dnf install -y git-lfs
     - uses: actions/checkout@v2
+      with:
+        lfs: true
     - uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v4
       with:
         bundle: toolbxtuner.flatpak
         manifest-path: build-aux/org.kuchelmeister.ToolbxTuner.Devel.json
         run-tests: true
         cache-key: flatpak-builder-${{ github.sha }}
+    - name: ls
+      run: ls