message: Update the rustup URL
diff: @@ -8,7 +8,7 @@ by using `rustup`. Installing Rust using `rustup` will also install `cargo`.
  On Linux and macOS systems, this is done as follows:
  ```console
  -$ curl -sSf https://static.rust-lang.org/rustup.sh | sh
  +$ curl https://sh.rustup.rs -sSf | sh
  ```
  It will download a script, and start the installation. If everything goes well,
  