Bump mysql2 from 3.9.4 to 3.9.7

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 3.9.4 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@v3.9.4...v3.9.7)

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

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

package.json

@@ -64,7 +64,7 @@
         "form-data": "^4.0.0",
         "ini": "^2.0.0",
         "mwn": "^0.11.0",
-        "mysql2": "^3.9.4",
+        "mysql2": "^3.9.7",
         "pagasa-archiver": "^1.3.1",
         "pretty": "^2.0.0",
         "puppeteer": "^22.5.0",