Rebase template on latest Quarto/Typst templates

[mvuorre]

Ensure support for latest default Typst template features & deprecate unsupported ones, e.g. quarto-dev/quarto-cli#12739.

[mvuorre]

Many new Quarto Typst template variables mentioned at https://github.com/quarto-dev/quarto-cli/blob/v1.9.17/news/changelog-1.9.md#typst

[mvuorre]

Waiting for a Quarto 1.9 release.