added missing file extension in windows release executable

Author: AlecAivazis

.github/workflows/deploy-release.yml

@@ -76,6 +76,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
-          asset_path: ./bin/gateway_windows_amd64
-          asset_name: gateway_windows_amd64
+          asset_path: ./bin/gateway_windows_amd64.exe
+          asset_name: gateway_windows_amd64.exe
           asset_content_type: application/x-binary