Add blog post welcoming Tyler Mandry to the lang team

Author: joshtriplett

posts/inside-rust/2023-02-14-lang-team-membership-update.md

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+---
+layout: post
+title: "Welcome Tyler Mandry to the Rust language team!"
+author: Josh Triplett, Niko Matsakis
+team: The Rust Lang Team <https://www.rust-lang.org/governance/teams/lang>
+---
+
+We are happy to announce that [Tyler Mandry][tmandry] is joining the Rust language design team as a full member!
+
+[tmandry]: https://github.com/tmandry
+
+Tyler has been driving the design of async functions in traits over the last year. In that process Tyler has authored two RFCs, [#3185 (static async functions in traits)](https://github.com/rust-lang/rfcs/pull/3185) and [#3245 (refined trait impls)](https://github.com/rust-lang/rfcs/pull/3245), both of which were accepted. He has good instincts for language design and orthogonality, devising general solutions to address a range of use cases with a small set of language changes, such as [contexts/capabilities](https://tmandry.gitlab.io/blog/posts/2021-12-21-context-capabilities/) and [`dyn*`](https://smallcultfollowing.com/babysteps/blog/2022/03/29/dyn-can-we-make-dyn-sized/).
+
+Tyler is also a strong implementor. He was a past contributor to the chalk project and understands the intrincacies of the trait and type system quite well. He also implementing a number of improvements to async Rust, such as work to reduce the size of futures.
+
+Throughout his work on Rust, Tyler has demonstrated his ability to drive discussions towards consensus on a number of occasions. For example, he helped to navigate questions around boxing and auto-traits. He always makes an effort to understand people's points, even when he disagrees with their conclusions.
+
+Welcome to the team, Tyler!