root / doc passes but unidoc / Scalaunidoc / doc and root / packageDoc fail

[armanbilge]

When using the TypelevelUnidocPlugin this can cause CI to pass in PRs but publishing to fail.

With many apologies to @TimWSpence who unwittingly uncovered this one in cats-stm 😆

In the cats-stm case, it comes down to the duplicate JVM/JS docs problem. Would be nice to fix that automatically as well.

[TimWSpence]

😂 I had noticed that the docs hadn't been published but thought I maybe hadn't pubished a new version since I fixed the build setup and didn't have time to check.

[armanbilge]

@TimWSpence yeah, you need to add something like:

ScalaUnidoc / unidoc / unidocProjectFilter := inAnyProject -- inProjects(root.js.aggregate: _*)

CI for the PR should have picked this up, but, you know, bugs 🙃