fix(fr): correct minor translation typo

[hasshuss]

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[astrobot-houston]

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Lunaria automatically ignores changes on specific PRs by adding a ignored keyword in its title. Found: typo.

You can change this by either removing the keyword above from the PR's title, or modifying the ignoreKeywords property in your Lunaria configuration file.

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The notes below indicate what would happen if the pull request is merged when triggering status changes. Since a ignored keyword was found in the PR's title, the status changes indicated below won't be applied.

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fr/concepts/why-astro.mdx	Localization changed, will be marked as complete.

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🔄️	The source for this localization has been updated since the creation of this pull request, make sure all changes in the source have been applied.

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[ArmandPhilippot]

Thank you for noticing that, and welcome! 🙌🏽

[hasshuss]

thank you @ArmandPhilippot

[yanthomasdev]

Good catch, thanks @hasshuss 🙌