feat: Add arrow-up and arrow-down icons

[avinashbot]

Description

Adding arrow-up and arrow-down (we already have arrow-left and arrow-right) to support the upcoming drag and drop implementation. Co-authored with Atsushi because he helped me figure out how to get the icon SVG :)

Related links, issue #, if available: n/a

How has this been tested?

Should show up in permutation tests.

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

---

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.42%. Comparing base (20e6a83) to head (247b727).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3305   +/-   ##
=======================================
  Coverage   96.42%   96.42%           
=======================================
  Files         791      791           
  Lines       22603    22603           
  Branches     7396     7396           
=======================================
  Hits        21795    21795           
  Misses        801      801           
  Partials        7        7           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.