v10.0.0

🆕 New tabs design (more minimal and built with a11y in mind)
This is a breaking change because the tab HTML changed as well.

• Fix linting error 82592d8
• Merge pull request #367 from texastribune/new-tabs 852a597
• Add simple JS for tabs ff58eeb
• Simplify tab color states cc3b442
• Clean up extra CSS c6a5632
• Add new tab design and markup b185805
• Fix 1 of 2 vulnerabilities; runs audit fix 309bac0

v9.6.0...v10.0.0