Add nutype 0.6.2 release to 2025-07-30-this-week-in-rust.md

Author: greyblake

draft/2025-07-30-this-week-in-rust.md

@@ -40,6 +40,8 @@ and just ask the editors to select the category.
 
 ### Project/Tooling Updates
 
+* [Nutype 0.6.2](https://github.com/greyblake/nutype/releases/tag/v0.6.2) - supports `derive_unsafe` attribute to derive arbitrary third party traits.
+
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
@@ -224,7 +226,7 @@ Rusty Events between 2025-07-30 - 2025-08-27 🦀
 ### Africa
 # 2025-07-23 | Ikot Akpaden, Mkpat Enin, Akwa Ibom State, NG | [Rust Nigeria](https://x.com/RustNigeria)
    * [**Rust Developers Training Program: Akwa Ibom State University. 21 July - 21 Aug 2025.**](https://docs.google.com/forms/d/e/1FAIpQLScQXHuFAw_Z11q0W0FZSVwQMyPSa6ReT3tW7ZUtoGbcLPBxkA/viewform)
-   
+
 ### Asia
 * 2025-07-26 | Bangalore, IN | [Rust Bangalore](https://hasgeek.com/rustbangalore)
     * [**July 2025 Rustacean meetup**](https://hasgeek.com/rustbangalore/july-2025-rustacean-meetup/)