Adjust colour for border-left when using {: .notice } classes in blockquotes

[Andre601]

Environment

• Minimal Mistakes version: 2.24.0
• Ruby gem or remote theme version: 0.4.3 (Jekyll-remote-theme)*
• Jekyll version: 3.9.0
• Git repository URL: https://github.com/5zig-reborn/5zig-reborn.github.io
• GitHub Pages hosted (if yes provide URL to site): https://5zigreborn.eu/ (Page that uses the blockquote: https://5zigreborn.eu/downloads)
• Operating system: Windows 10

*Please note that I don't use ruby nor jekyll locally and that everything is done through GitHub pages. The version listed here is from the Dependency versions page for GitHub Pages.

Expected behavior

When using the {: .notice } option together with a blockquote (See reproduction steps) should the line used on the left side mimic the color used for the notice-type applied.

Steps to reproduce the behavior

Write a blockquote with a notice similar to this setup:

> This is a quote block.
> It is used to wrap multiple lines, including blank ones, into a `<p>` or something similar to then apply the `{: .notice--warning }` class.
>
> I use this since it's a bit easier than using a `<div>` solution.
{: .notice--warning }

Once rendered, you will notice that the blockquote will have a bright blue line on the left, while the body is an orange from the notice--warning class.

This feels out of place, but makes sense since the notice classes don't seem to override the border when they are used in combination with a blockquote, which is possible.

Other

It's a minor visual issue, so I understand if changing this wouldn't take priority at all or doesn't even get worked on at all, but considering that using a block quote for larger areas together with the notice classes allows more simple formatting than using div classes (That either requires usage of HTML OR the {% capture %} option) would it be a shame if this wouldn't be corrected.

[github-actions[bot]]

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[iBug]

@mmistakes Got time to take a look at this one and the PR? Should be easy and harmless.