Bump @sendgrid/mail from 7.7.0 to 8.1.0 (#89)

Bumps [@sendgrid/mail](https://github.com/sendgrid/sendgrid-nodejs) from 7.7.0 to 8.1.0.
- [Release notes](https://github.com/sendgrid/sendgrid-nodejs/releases)
- [Changelog](https://github.com/sendgrid/sendgrid-nodejs/blob/main/CHANGELOG.md)
- [Upgrade guide](https://github.com/sendgrid/sendgrid-nodejs/blob/main/UPGRADE.md)
- [Commits](sendgrid/sendgrid-nodejs@7.7.0...8.1.0)

---
updated-dependencies:
- dependency-name: "@sendgrid/mail"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -17,7 +17,7 @@
   "dependencies": {
     "@fastify/cors": "^8.3.0",
     "@fastify/middie": "^8.3.0",
-    "@sendgrid/mail": "^7.6.2",
+    "@sendgrid/mail": "^8.1.0",
     "agenda": "^5.0.0",
     "bcrypt": "^5.0.1",
     "dotenv": "^16.0.0",