Bump mongoose from 5.12.12 to 5.12.13

Bumps [mongoose](https://github.com/Automattic/mongoose) from 5.12.12 to 5.12.13.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/History.md)
- [Commits](https://github.com/Automattic/mongoose/compare/5.12.12...5.12.13)

---
updated-dependencies:
- dependency-name: mongoose
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -13,7 +13,7 @@
     "date-fns": "^2.22.1",
     "date-fns-tz": "^1.1.4",
     "ics": "^2.29.0",
-    "mongoose": "^5.12.12",
+    "mongoose": "^5.12.13",
     "next": "^10.2.3",
     "next-iron-session": "^4.1.14",
     "next-mdx-remote": "^3.0.2",