Added UltraGraph 0.8 update blog post to Project/Tooling Updates.

Signed-off-by: Marvin Hansen <[email protected]>

Author: marvin-hansen

draft/2025-07-16-this-week-in-rust.md

@@ -40,6 +40,8 @@ and just ask the editors to select the category.
 
 ### Project/Tooling Updates
 
+[UltraGraph 0.8: 1,300x Faster Graph Analytics — No Cluster Needed](https://deepcausality.com/blog/announcement-ultragraph-0-8)
+
 ### Observations/Thoughts
 
 ### Rust Walkthroughs