chore(docs): fix integrations list

[matteobad]

Fix repetitions in integrations list for MailerSend and Scalaway (see screenshot of before below):

---

Summary by cubic

Fixed incorrect descriptions in the docs integrations list. MailerSend and Scaleway now show the correct service descriptions instead of duplicated AWS SES/Plunk text.

^{Written for commit e739fed. Summary will update automatically on new commits.}

[changeset-bot]

⚠️ No Changeset found

Latest commit: e739fed

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

@matteobad is attempting to deploy a commit to the resend Team on Vercel.

A member of the Team first needs to authorize it.

[cubic-dev-ai]

No issues found across 1 file

[gabrielmfern]

Damn, that's bad, thank you for this