add checkout before running gh cli

Author: benbrandt

.github/workflows/release.yaml

@@ -321,6 +321,11 @@ jobs:
     if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+
       - name: Download release assets
         uses: actions/download-artifact@v4
         with: