allow submodules

cargo publish containerizes the package and ignores the path, but needs it for translation of Cargo.toml

Author: Emilgardis

.github/workflows/ci.yml

@@ -155,7 +155,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
         with:
-          submodules: false
+          submodules: recursive
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal