chore(deps-dev): bump @mikro-orm/core from 5.8.6 to 5.9.4

Bumps [@mikro-orm/core](https://github.com/mikro-orm/mikro-orm) from 5.8.6 to 5.9.4.
- [Release notes](https://github.com/mikro-orm/mikro-orm/releases)
- [Changelog](https://github.com/mikro-orm/mikro-orm/blob/master/CHANGELOG.md)
- [Commits](mikro-orm/mikro-orm@v5.8.6...v5.9.4)

---
updated-dependencies:
- dependency-name: "@mikro-orm/core"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -126,7 +126,7 @@
     "@cspell/eslint-plugin": "^7.3.6",
     "@graphql-tools/schema": "^10.0.0",
     "@graphql-tools/utils": "^10.0.4",
-    "@mikro-orm/core": "^5.8.6",
+    "@mikro-orm/core": "^5.9.4",
     "@mikro-orm/postgresql": "^5.9.0",
     "@typegoose/typegoose": "^11.6.0",
     "@types/cors": "^2.8.13",