Fix Windows installer name in release CI

Author: Goran Jelic-Cizmek

.github/workflows/release.yml

@@ -298,7 +298,7 @@ jobs:
         id: rename
         run: |
           # convert "3.9,3.10..." into "39-310-..."
-          py_version_string="$(echo "${{ github.event.inputs.python_version }}" | sed 's/\.//g; s/,/-/g')"
+          py_version_string="$(echo "${{ github.event.inputs.python_versions }}" | sed 's/\.//g; s/,/-/g')"
           win_installer_name="nrn-${{ env.REL_TAG }}.w64-mingw-py-${py_version_string}-setup.exe"
           echo "win_installer_name=${win_installer_name}" >> "$GITHUB_OUTPUT"
           cp nrn-nightly-AMD64.exe "${win_installer_name}"