Adjust blockquote list styles

[jieyouxu]

To avoid strange extraneous bottom margins. Follow-up to #1618.

I was confused why I couldn't reproduce #1617 (comment), it turns out you need (ordered, unordered) list within blockquote to repro.

Preview

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Sample markdown to test

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Text before

> How about full paragraphs?

Text in-between.

> Revision:
>
> - (2025-05-30) This blog post was edited to clarify the lack of impact for distribution packagers (i.e. distribution packages will still be able to build `N + 1` version of Rust using version `N` of Rust), as this change affects the contributor workflow.
> - Another `<li>`.

This blog post accompanies an [upcoming major change to the `rust-lang/rust` build system][stage0-redesign-pr] (see also [Major Change Proposal 619][redesign-stage0-mcp]). This will have no impact on the distributed artifacts from [rust-lang/rust], but the way we build those artifacts is changing.

> Revision:
>
> 1. (2025-05-30) This blog post was edited to clarify the lack of impact for distribution packagers (i.e. distribution packages will still be able to build `N + 1` version of Rust using version `N` of Rust), as this change affects the contributor workflow.
> 2. Another `<li>`.

r? @senekor

[senekor]

Thanks!