Add GOSIM Spotlight finalists (#6616)

* Add GOSIM Spotlight finalists

* Update 2025-05-07-this-week-in-rust.md

---------

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

Author: joshtriplett

draft/2025-05-07-this-week-in-rust.md

@@ -56,6 +56,8 @@ and just ask the editors to select the category.
 
 ### Miscellaneous
 
+* [GOSIM Spotlight Finalists at RustWeek](https://rustweek.org/gosim-spotlight-speakers/)
+
 ## Crate of the Week
 
 This week's crate is [structstruck](https://crates.io/crates/structstruck), a proc-macro crate for enabling nested struct/enum definitions.