build(deps): bump mysql2 from 1.7.0 to 3.9.8

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 1.7.0 to 3.9.8.
- [Release notes](https://github.com/sidorares/node-mysql2/releases)
- [Changelog](https://github.com/sidorares/node-mysql2/blob/master/Changelog.md)
- [Commits](https://github.com/sidorares/node-mysql2/commits/v3.9.8)

---
updated-dependencies:
- dependency-name: mysql2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/server/package.json

@@ -86,7 +86,7 @@
     "multer-s3": "^3.0.1",
     "mustache": "^3.0.3",
     "mysql": "^2.17.1",
-    "mysql2": "^1.6.5",
+    "mysql2": "^3.9.8",
     "newrelic": "^11.15.0",
     "node-cache": "^4.2.1",
     "nodemailer": "^6.3.0",