feat(changelog): add new entry

Author: Changelog bot

changelog/february2025/2025-02-21-transactional-email-added-new-permissions-for-email-cre.mdx

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+---
+title: New Permissions for email creation (via SMTP or API)
+status: added
+author:
+    fullname: 'Join the #transactional-email channel on Slack.'
+    url: 'https://slack.scaleway.com'
+date: 2025-02-21
+category: managed-services
+product: transactional-email
+---
+
+With these new permissions, any users or services can create transactional emails either through SMTP or the API.
+- TransactionalEmailEmailSmtpCreate: Grants the ability to create emails via SMTP.
+- TransactionalEmailEmailApiCreate: Grants the ability to create emails via the API.
+