Try adding git lfs to CI workflow

Author: Harry Harpham

.github/workflows/buid_tester.yml

@@ -12,6 +12,10 @@ jobs:
       id-token: "write"
     steps:
       - uses: actions/checkout@v4
+        with:
+          lfs: true
+      - name: checkout LFS objects
+        run: git lfs checkout
       - uses: docker/setup-buildx-action@v3
         with:
           install: true