i18n(fr): update code snippet in experimental-flags/fonts.mdx#12695

yanthomasdev merged 1 commit intowithastro:mainwithastro/docs:mainfrom

ArmandPhilippot:i18n/fr-update-experimental-flags/fonts.mdxArmandPhilippot/astro-docs:i18n/fr-update-experimental-flags/fonts.mdxCopy head branch name to clipboard