i18n(fr): translate upgrade-to/v7.mdx#14209

thomasbnt merged 4 commits into

withastro:mainwithastro/docs:mainfrom

ArmandPhilippot:i18n/fr-add-upgrade-to/v7ArmandPhilippot/astro-docs:i18n/fr-add-upgrade-to/v7Copy head branch name to clipboard