[clang] fixup! [publish-sphinx-docs] Forward CTU-import failure conditions (PR #190145)

[Arseniy Zaostrovnykh via cfe-commits]

necto wrote:

> Adjust the commit messge to quote the build failure, and leave a link to the failed bot.

I adjusted PR summary and description. is this what you had in mind?

> You can consider overriding the pre-checks and merge it if the fix is time-sensitive.

It's been over 2 hours since the failure, I'd rather wait a dozen minutes more to make sure I don't commit another build failure.

https://github.com/llvm/llvm-project/pull/190145