[scripts] Switch back to flow parser for prettier

[rickhanlonii]

Prettier 3.3 (which we're on) should support modern flow features according to https://prettier.io/blog/2024/06/01/3.3.0

[react-sizebot]

Comparing: 4a1f290...563c6fe

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	=	1.83 kB	1.83 kB
oss-stable/react-dom/cjs/react-dom-client.production.js	=	529.84 kB	529.84 kB	=	93.52 kB	93.52 kB
oss-experimental/react-dom/cjs/react-dom.production.js	=	6.69 kB	6.69 kB	=	1.83 kB	1.83 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js	=	650.94 kB	650.94 kB	=	114.65 kB	114.65 kB
facebook-www/ReactDOM-prod.classic.js	=	675.89 kB	675.89 kB	=	118.93 kB	118.93 kB
facebook-www/ReactDOM-prod.modern.js	=	666.17 kB	666.17 kB	=	117.32 kB	117.32 kB

Significant size changes

Includes any change greater than 0.2%:

(No significant changes)

Generated by 🚫 dangerJS against 563c6fe