make sure LFS files aren't checked out during CI

.github/workflows/deploy.yml

@@ -10,6 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
+      with:
+        fetch-depth: 1
+        lfs: false
     - uses: jakejarvis/hugo-build-action@v0.53
     - uses: actions/upload-artifact@master
       with: