chore: Bump to rust version 1.76.0

[sksat]

• Release: https://github.com/rust-lang/rust/releases/tag/1.76.0
• Blog: https://blog.rust-lang.org/2024/02/08/Rust-1.76.0.html

[Muscraft]

You beat me to it! Thanks!

[Muscraft]

docker-library/official-images#16213