Spike: Re-examine our font weights #1667

Gemini notes from DPO Sync meeting:

Ryan Williams raised concerns about recent font changes and layout shifts, which Libby Levi explained resulted from a refactor of variable font weights. The update removed duplicate Google font weights, which previously caused issues by skipping weights, and added 600 and 800 weights to provide better hierarchy. Lucia Boehling observed that these changes caused noticeable layout shifts because the font appeared lighter, and they inquired about using the new 600 and 800 weights to maintain previous visual weights.

This spike will likely require collaboration with the DPO team.

Jira Issue: PF-4285