[ez] Add gh actions status badges to readme

[poteto]

Stack from ghstack (oldest at bottom):

• -> [ez] Add gh actions status badges to readme #30350
• [ci] Try sharding test_build #30349
• [ci] Add DevTools jobs to gh actions #30347

Update readme with new badges.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
react-compiler-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 16, 2024 4:15pm

[react-sizebot]

Comparing: 0117239...6677267

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.js	=	6.68 kB	6.68 kB	+0.05%	1.83 kB	1.83 kB
oss-stable/react-dom/cjs/react-dom-client.production.js	=	499.44 kB	499.44 kB	=	89.59 kB	89.59 kB
oss-experimental/react-dom/cjs/react-dom.production.js	=	6.69 kB	6.69 kB	+0.05%	1.83 kB	1.83 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js	=	504.26 kB	504.26 kB	=	90.30 kB	90.30 kB
facebook-www/ReactDOM-prod.classic.js	=	599.20 kB	599.20 kB	=	105.80 kB	105.80 kB
facebook-www/ReactDOM-prod.modern.js	=	573.37 kB	573.37 kB	=	101.68 kB	101.68 kB
test_utils/ReactAllWarnings.js	Deleted	64.07 kB	0.00 kB	Deleted	15.86 kB	0.00 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
test_utils/ReactAllWarnings.js	Deleted	64.07 kB	0.00 kB	Deleted	15.86 kB	0.00 kB

Generated by 🚫 dangerJS against 6677267