issues with quarto files on Windows

[d-morrison]

I'm having trouble getting pkgdown::build_site() to run on Windows for packages with quarto content.

Here's a reprex, where I set up two GHA workflows:

• .github/workflows/pkgdown.ubuntu.yaml (runs-on: ubuntu-latest) succeeds
• .github/workflows/pkgdown.windows.yaml (runs-on: windows-latest) fails
• .github/workflows/R-CMD-check.yaml: windows-latest also fails, for what looks like the same reason

The two pkgdown workflows are mostly vanilla copies of https://github.com/r-lib/actions/blob/v2-branch/examples/pkgdown.yaml; I think the only changes are:

• I renamed the workflows to specify ubuntu vs windows
• I removed the deploy step from the windows version (to avoid collisions)
• In the - uses: r-lib/actions/setup-r-dependencies@v2 step, I replaced extra-packages: any::pkgdown, local::. with extra-packages: r-lib/pkgdown, local::., any::quarto, to check whether the dev version of pkgdown might help and to make sure quarto-r got installed (not sure if quarto-r is even used in this workflow)

pkgdown::build_site() also fails on my local environment.

Thanks for any tips on how to solve!