remove console highlight in cargo add

Author: pietroalbini

posts/2022-06-30-Rust-1.62.0.md

@@ -34,7 +34,7 @@ You can now add new dependencies directly from the command line using `cargo add
 
 For example:
 
-```console
+```text
 cargo add log
 cargo add serde --features derive
 cargo add nom@5