Add GuardianDB 0.10.15 announcement to Rust draft (rust-lang#7142)

Co-authored-by: Ben Dillon <[email protected]>

Author: wmaslonek

draft/2025-10-15-this-week-in-rust.md

@@ -49,13 +49,13 @@ and just ask the editors to select the category.
 ### Project/Tooling Updates
 * [Gccrs after libcore](https://lwn.net/SubscriberLink/1040197/0733825193ca1f04/)
 * [Announcing Heave 0.1.0: an EAV data model rust library that can persist custom structs onto a SQLite DB with no friction at all!](https://www.rustydonkey.dev/blog/2025.10.08_introduction_to_heave/)
+* [GuardianDB 0.10.15 - Introducing: the embedded iroh node](https://www.willsearch.com.br/?page_id=19)
 * [Linebender in September 2025](https://linebender.org/blog/tmil-21/)
 * [egui 0.33.0 - `egui::Plugin`, better kerning, kitdiff viewer](https://github.com/emilk/egui/releases/tag/0.33.0)
 * [Making Slint Desktop-Ready](https://slint.dev/blog/making-slint-desktop-ready)
 * [Avian Physics 0.4](https://joonaa.dev/blog/09/avian-0-4)
 * [rustc_codegen_gcc: Progress Report #38](https://blog.antoyo.xyz/rustc_codegen_gcc-progress-report-38)
 * [CGP v0.5.0 Release - Auto dispatchers, extensible datatype improvements, monadic computation, RTN emulation, modular serde, and more](https://contextgeneric.dev/blog/v0-5-0-release/)
-
 * [Diesel-Async 0.7](https://blog.weiznich.de/blog/diesel-async-0-7/)
 
 ### Observations/Thoughts