fix(go.dev): CVE banner

[givensuman]

🔧 What does this fix? 🔧

The CVE notice at the top of some Go package pages was unstyled and near unreadable.

There's no good way to do this with a red background, so I opted for a border instead.

🗒 Checklist 🗒

• I have read and followed Catppuccin's contributing guidelines.

[givensuman]

Hmmm the linter doesn't seem to be satisfiable.

border-left-width: 4px;
border-left-style: solid;
border-left-color: @red;

gives the error Expected shorthand property "border-left", as written it gives the error Use "border-left-color" instead of "border-left"

[uncenter]

Doesn't need to be manually edited, see https://userstyles.catppuccin.com/contributing/#versioning. No need to revert now but please read our contributing documentation going forward!

[uncenter]

If the background is red you can set the text to crust for contrast and that should do the trick :)