Bump mysql2 from 3.5.2 to 3.9.7 in /zapier

Bumps [mysql2](https://github.com/sidorares/node-mysql2) from 3.5.2 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@v3.5.2...v3.9.7)

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

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

zapier/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "mysql": "^2.18.1",
-    "mysql2": "^3.5.2",
+    "mysql2": "^3.9.7",
     "mysql2-timeout-additions": "^1.1.2",
     "zapier-platform-core": "12.2.0"
   },