ci: test getting teh lfs objects

.forgejo/workflows/push.yaml

@@ -16,6 +16,11 @@ jobs:
     steps:
       # get the repo first
       - uses: https://code.forgejo.org/actions/checkout@v4
+      - name: "Get LFS objects"
+        uses: https://forgejo.skynet.ie/Skynet/actions-deploy-to-skynet/get_lfs@v3
+        with:
+          repository: ${{ gitea.repository }}
+          ref_name: ${{ gitea.ref_name }}
       - name: "Build it locally"
         run: nix build --verbose