Add diesel-async 0.7 release announcement + some diesel tasks

Somehow github swallowed the last PR that I've opened.

I also removed the note that you can reach out via Mastodon as that did not work out in the past.

Author: weiznich

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

@@ -45,6 +45,8 @@ and just ask the editors to select the category.
 
 ### Project/Tooling Updates
 
+* [Diesel-Async 0.7](https://blog.weiznich.de/blog/diesel-async-0-7/)
+
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
@@ -122,7 +124,11 @@ Some of these tasks may also have mentors available, visit the task page for mor
 <!-- * [ - ]() -->
 <!-- or if none - *No Calls for participation were submitted this week.* -->
 
-If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines] or 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)!
+* [Diesel - View Support - Show me your view definitions](https://github.com/diesel-rs/diesel/discussions/4805)
+* [Diesel - Add `#[diagnostic::do_not_recommend]` to `impl AsExpression for T: Expression`](https://github.com/diesel-rs/diesel/issues/4760)
+* [Diesel - Improve documentation for Postgres loading modes](https://github.com/diesel-rs/diesel/issues/4764)
+
+If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines] or 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)!
 
 [guidelines]:https://github.com/rust-lang/this-week-in-rust?tab=readme-ov-file#call-for-participation-guidelines