Broken link to bibliography reference

[LeSeulArtichaut]

error: Server returned 404 Not Found for https://www.cs.rice.edu/%7Eyguo/pubs/PID824943.pdf

   ┌─ appendix/bibliography.md:27:3

   │

27 │ * [Work-first and help-first scheduling policies for async-finish task parallelism](http://www.cs.rice.edu/%7Eyguo/pubs/PID824943.pdf) - More general than fully-strict work stealing

   │   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Server returned 404 Not Found for https://www.cs.rice.edu/%7Eyguo/pubs/PID824943.pdf

Apparently, this website got a redisign recently, but I haven't been able to find the paper. Opening an issue because this is going to cause problems with CI in all future PRs.

[camelid]

We really need to ignore these 429 errors somehow; they give so many false positives which makes it hard to find the actual broken links.