Add Malai 0.2.5 announcement to 2025-05-28-this-week-in-rust.md

Author: siddhantk232

draft/2025-05-28-this-week-in-rust.md

@@ -39,6 +39,7 @@ and just ask the editors to select the category.
 ### Newsletters
 
 ### Project/Tooling Updates
+* [malai 0.2.5 is here: Instantly share local TCP services (database/SSH) with others](https://www.malai.sh/hello-tcp/)
 
 ### Observations/Thoughts