Update translations: default (#12306)

This PR modifies translations in the project. It will append multiple
commits and may add, modify, or delete translations. Feel free to merge
any time.

## Before you deploy
- Check translations for malicious HTML.

## Merge conflicts?
<details>

If this PR has been open long enough that it has drifted out of sync
from the base branch and it has developed merge conflicts as a result,
follow these steps, in order:

1. Close this PR.
2. Run the following Spy command in Slack, inserting the PR number in
the second argument:

> `@spy translation-platform force-pull Shopify/polaris
pull_request_number=<this PR>`.

Translation Platform will recreate the translation commits based on the
latest commit on the base branch and open a new PR.

</details>

## Questions?
Visit [#help-localization](https://shopify.slack.com/messages/C7TJQLVC7)
for questions about this pull request.

Translation component owners: @Shopify/polaris-eng

Co-authored-by: translation-platform[bot] <34770790+translation-platform[bot]@users.noreply.github.com>

polaris-react/locales/fr.json

@@ -19,7 +19,7 @@
         "success": "Réussite",
         "warning": "Avertissement",
         "attention": "Attention",
-        "new": "Nouveau",
+        "new": "Nouveau(-elle)",
         "critical": "Critique",
         "readOnly": "Lecture seule",
         "enabled": "Activé"
@@ -338,7 +338,7 @@
     "IndexTable": {
       "emptySearchTitle": "{resourceNamePlural} introuvables",
       "emptySearchDescription": "Essayez de changer les filtres ou le terme de recherche",
-      "onboardingBadgeText": "Nouveau",
+      "onboardingBadgeText": "Nouveau(-elle)",
       "resourceLoadingAccessibilityLabel": "Chargement de {resourceNamePlural} en cours…",
       "selectAllLabel": "Sélectionner la totalité des {resourceNamePlural}",
       "selected": "{selectedItemsCount} sélectionné(s)",