feat(link) - Update link component to SHINE designs

[ttaylor-stack]

SPARK-70

Figma

Along with updating the link component I also:

• Removed a tag styling from s-link
• Updated s-anchors to fix a11y failing tests
• Updated Link Svelte component to Svelte 5
• Updated Link stories to match the formatting/styling we use throughout the rest of the Storybook

Questions/Concerns:

• @CGuindon do we need to force visited styling any more (using __visited)? If not can we remove it from the from Stacks?

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[CGuindon]

• 1 to Giarmir's comments about the underlines:

Looks like all the navigation elements now are underlined. Probably something we don’t want I imagine. Regular a  tag also now get a strange blue color which is probably something we don’t want.

New request (I've updated the Figma)
I have two small changes I'd like to make (sorry) to the original spec since we can't change the bold to unbold for visited (security reasons from the browser).

• Default visited link should be black-400 now (used to be 500)
• Muted visited link should be black-400 now as well (used to be 500 too, muted visited won't have a visual difference anymore. This isn't used in as many places so I'd like to test it and see how important the visited state really is for these types of links).

[dancormier]

@ttaylor-stack I've removed the __visited modifier (16ba78f) and have added styles to handle anchors on a per-component basis (7e7bb5d).

[dancormier]

@CGuindon I updated the colors and have this now:

Default

Hover

Visited

Does this look correct?

[CGuindon]

@dancormier Colors look correct — is it possible to get the underline on hover (for all of them) as well? If that over complicates I can live without out. Seeing the underline in the docs

[CGuindon]

Links page looks good, I'm seeing extra underlines in a few places where they shouldn't be like:

• Menus
• Breadcrumbs (although we haven't changed that component yet)