rustdoc_to_markdown: Recognize Rust code blocks (#12458)

This PR makes it so Rust code blocks are recognized and
syntax-highlighted when converting from rustdoc to Markdown.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

a5011996fb7d418961f14c0080c9d912c8e71ef9

Parent: b8d9713

Committed by GitHub <noreply@github.com> on 5/29/2024, 10:57:20 PM