Bump mysql2 from 2.3.3 to 3.6.0

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 2.3.3 to 3.6.0.
- [Release notes](https://github.com/sidorares/node-mysql2/releases)
- [Changelog](https://github.com/sidorares/node-mysql2/blob/master/Changelog.md)
- [Commits](sidorares/node-mysql2@v2.3.3...v3.6.0)

---
updated-dependencies:
- dependency-name: mysql2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -21,7 +21,7 @@
     "home automation"
   ],
   "optionalDependencies": {
-    "mysql2": "^2.3.3",
+    "mysql2": "^3.6.0",
     "pg": "^8.9.0",
     "sqlite3": "^5.1.6",
     "mssql": "^9.1.1"