Add jobs link to 616

Author: mariannegoldin

draft/2025-09-10-this-week-in-rust.md

@@ -357,7 +357,7 @@ https://github.com/rust-lang/this-week-in-rust/issues/3412
 
 -->
 
-Please see the latest [Who's Hiring thread on r/rust](INSERT_LINK_HERE)
+Please see the latest [Who's Hiring thread on r/rust](https://www.reddit.com/r/rust/comments/1mnpd9p/official_rrust_whos_hiring_thread_for_jobseekers/)
 
 # Quote of the Week