Fix all versions http400
fixes #131
Notes
uv run python -c "from eossr.api.ossr import get_ossr_records; r = get_ossr_records(all_versions=True); print(len(r));"
returns correctly 217
And the dedicated unit test in pytest is working:
uv run pytest eossr/api/tests/test_api.py::test_search_ossr_records -v