feat(opacitycheckerboard): small t-shirt size squares

[mdt2]

Description

S2 migration for opacity checkerboard includes:

• Updated checkerboard square size token for default t-shirt size (medium)
• Addition of small t-shirt size with checkboard square size token

How and where has this been tested?

Please tag yourself on the tests you've marked complete to confirm the tests have been run by someone other than the author.

Validation steps

• [ ] Design clarification @mdt2

To-do list

• [x] I have read the contribution guidelines.
• [x] I have updated relevant storybook stories and templates.
• [ ] ✨ This pull request is ready to merge. ✨

[github-actions[bot]]

File metrics

Summary

Total size: 4.54 MB^* Total change (Δ): ⬆ 0.56 KB (0.01%)

Table reports on changes to a package's main file. Other changes can be found in the collapsed Details section below.

Package	Size	Δ
opacitycheckerboard	1.79 KB	⬆ 0.15 KB

Details

opacitycheckerboard

File	Head	Base	Δ
index-base.css	1.79 KB	1.64 KB	⬆ 0.15 KB (8.73%)
index-vars.css	1.79 KB	1.64 KB	⬆ 0.15 KB (8.73%)
index.css	1.79 KB	1.64 KB	⬆ 0.15 KB (8.73%)
metadata.json	0.73 KB	0.61 KB	⬆ 0.12 KB (18.86%)

* Size determined by adding together the size of the main file for all packages in the library.
* Results are not gzipped or minified.
* An ASCII character in UTF-8 is 8 bits or 1 byte.

[github-actions[bot]]

🚀 Deployed on https://pr-2610--spectrum-css.netlify.app

[castastrophe]

Once you rebase this should pass the validate step

[mdt2]

Once you rebase this should pass the validate step

Awesome, thanks @castastrophe! Also just a note that we're waiting for design validation on this one, I heard from the team today and they are taking a look this week.