hotfix sha1 in nightly conda packages as unsupported for now

.github/workflows/build_publish_package.yml

@@ -79,7 +79,12 @@ jobs:
         export SOFA_PACKAGE_VERSION="${{ inputs.version }}"
         export SOFA_PACKAGE_GIT_REF="${{ inputs.git-ref }}"
         if [ ${{ inputs.is-nightly }} = "true" ]; then
-          export SOFA_PACKAGE_BUILD_STRING="string: nightly_${{ '\${{' }} env.get(\"GIT_BUILD_STR\") ${{ '}}' }}"
+#          XXX Env var GIT_BUILD_STR not implemented yet in rattler-build. Can be replaced with 
+#          git_hash=$(git rev-parse --short "$GITHUB_SHA")
+#          if this action workflow is moved on corresponding sofa software repository
+#          Until then, we just suffix with nightly and the package hash
+#          export SOFA_PACKAGE_BUILD_STRING="string: nightly_${{ '\${{' }} env.get(\"GIT_BUILD_STR\") ${{ '}}' }}"
+          export SOFA_PACKAGE_BUILD_STRING="string: nightly_${{ '\${{' }} hash ${{ '}}' }}"
           echo $SOFA_PACKAGE_BUILD_STRING
         fi
         cd conda/recipes