fix(deps): update dependency mysql2 to v3.12.0

Author: renovate[bot]

pnpm-lock.yaml

@@ -20,7 +20,7 @@
     "@nestjs/platform-express": "11.0.6",
     "@nestjs/sequelize": "11.0.0",
     "@nestjs/terminus": "11.0.0",
-    "mysql2": "3.9.8",
+    "mysql2": "3.12.0",
     "reflect-metadata": "0.2.2",
     "rxjs": "7.8.1",
     "sequelize": "6.37.5",