Do not perform submodule checkout on publish (#349)

This change removes the submodule checkout when the package is in the publish phase.
We do not use the contents of the submodules during this phase.

Close #347

.github/workflows/release.yml

@@ -56,8 +56,6 @@ jobs:
     steps:
     - name: Checkout Sources
       uses: actions/checkout@v3
-      with:
-        submodules: recursive
     - name: Download Artifacts
       uses: actions/download-artifact@v3
       with: