Merge pull request #4504 from yoshuawuyts/patch-1

add tree-structured concurrency post

Author: nellshamrell

draft/2023-07-05-this-week-in-rust.md

@@ -58,6 +58,8 @@ and just ask the editors to select the category.
 * [video] [Choose the Right Option](https://www.youtube.com/watch?v=6c7pZYP_iIE)
 * [video] [4 levels of Rust error handling](https://www.youtube.com/watch?v=kHxjiTv8r18)
 
+- [Tree-Structured Concurrency](https://blog.yoshuawuyts.com/tree-structured-concurrency/)
+
 ### Rust Walkthroughs
 * [Build a Ray Tracer, pt. 4 - The Next Dimension](https://www.superperfundo.dev/articles/ray-tracer-part4)