i18n(fr): fix code example in configuration-reference.mdx#9193

yanthomasdev merged 2 commits intowithastro:mainwithastro/docs:mainfrom

ArmandPhilippot:i18n/fr-update-configuration-reference.mdxArmandPhilippot/astro-docs:i18n/fr-update-configuration-reference.mdxCopy head branch name to clipboard