Fix release.yml

Author: dalance

.github/workflows/release.yml

@@ -21,6 +21,8 @@ jobs:
         rust-version: ${{ matrix.rust }}
     - name: Checkout
       uses: actions/checkout@v3
+      with:
+        submodules: 'true'
     - name: Setup MUSL
       if: matrix.os == 'ubuntu-latest'
       run: |