chore(deps-dev): bump mysql2 from 3.9.6 to 3.9.7

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 3.9.6 to 3.9.7.
- [Release notes](https://github.com/sidorares/node-mysql2/releases)
- [Changelog](https://github.com/sidorares/node-mysql2/blob/master/Changelog.md)
- [Commits](sidorares/node-mysql2@v3.9.6...v3.9.7)

---
updated-dependencies:
- dependency-name: mysql2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -154,7 +154,7 @@
     "mongoose": "8.3.2",
     "mqtt": "5.5.5",
     "multer": "1.4.4",
-    "mysql2": "3.9.6",
+    "mysql2": "3.9.7",
     "nats": "2.23.0",
     "nodemon": "3.1.0",
     "nyc": "14.1.1",