refactor(pinia-orm): `createORM()` had wrong type

[CodeDredd]

🔗 Linked issue

closes #1813

❓ Type of change

• [ ] 📖 Documentation (updates to the documentation or readme)
• [x] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [ ] 👌 Enhancement (improving an existing functionality like performance)
• [ ] ✨ New feature (a non-breaking change that adds functionality)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

📝 Checklist

• [ ] I have linked an issue or discussion.
• [ ] I have updated the documentation accordingly.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.72%. Comparing base (45f87aa) to head (fa3d186).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1830 +/- ## ========================================== + Coverage 99.66% 99.72% +0.06% ========================================== Files 87 87 Lines 5917 5920 +3 Branches 503 502 -1 ========================================== + Hits 5897 5904 +7 + Misses 16 13 -3 + Partials 4 3 -1 ```

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