HTML build fails - includes placeholder variables

[dolanmiu]

When it builds, it adds odd placeholder variables into the artefacts for the index.html file.

Interestingly, there is both an index.html and an index file in the build

index is actually the working one. index.html is incorrect

My GitHub Actions yaml:

https://github.com/dolanmiu/Godot-Portal-Demo/blob/master/.github/workflows/build.yaml

Build result

https://github.com/dolanmiu/Godot-Portal-Demo/blob/gh-pages/index.html#L136-L138