Thanks for the quick reply. The repo I am using for testing is https://github.com/danielclow/docsrepo/tree/main/docs/en
For this test I have made the repo public so authentication issues should not happen.
The repo settings I am using in GIW are:
GitHub username/owner: danielclow
Repository name: docsrepo
Branch to publish from: main
Folder to publish from: docs/en
Post type to publish to: Pages
Author to set for the posts: drc (an administrator on my local WP deployment)
Post content template: %%content%%