chore(main): release 1.12.1

[markbeep]

🤖 I have created a release beep boop

1.12.1 (2026-05-07)

Bug Fixes

• api: fix department parameters being incorrectly handled as strings instead of ints (21ee024), closes #62
• api: fix various incorrectly unhandled database errors, including no max integer size check or joining tables incorrectly (05460da)
• api: improve OpenAPI spec compliance with 'null' support for optional arguments and correctly documented response codes (05460da)
• fix timeslots being set and returned as "null" instead of empty list (15ae457)
• search: replace single-quoted strings with backticks (cc7f851)

Dependencies

• update python dependencies (97face6)

Continuous Integration

• add schemathesis for openapi specs (fuzzy) testing (25cd9ea)

---

This PR was generated with Release Please. See documentation.

[markbeep]

🤖 Created releases:

• v1.12.1

🌻