add scientific computing in rust 2025 cfp

Author: mscroggs

draft/2025-02-19-this-week-in-rust.md

@@ -105,6 +105,8 @@ Are you a new or experienced speaker looking for a place to share something cool
 <!-- CFPs go here, use this format: * [**event name**](URL to CFP)| Date CFP closes in YYYY-MM-DD | city,state,country | Date of event in YYYY-MM-DD -->
 <!-- or if none - *No Calls for papers or presentations were submitted this week.* -->
 
+* [**Scientific Computing in Rust 2025**](https://scientificcomputing.rs/2025/submit-talk)| Closes 2025-05-02 | virtual | Event date: 2025-06-04 to 2025-06-06
+
 If you are an event organizer hoping to expand the reach of your event, please submit a link to the website through a [PR to TWiR](https://github.com/rust-lang/this-week-in-rust) or by reaching out on [X (formerly Twitter)](https://x.com/ThisWeekInRust) or [Mastodon](https://mastodon.social/@thisweekinrust)!
 
 ## Updates from the Rust Project