chore: drop optional authors field from pyproject.toml

PEP 621 does not require authors; keep maintainers only and avoid defunct dev@mostly.ai.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: mplatzer

pyproject.toml

@@ -2,7 +2,6 @@
 name = "mostlyai-qa"
 version = "1.10.6"
 description = "Synthetic Data Quality Assurance"
-authors = [{ name = "MOSTLY AI", email = "dev@mostly.ai" }]
 maintainers = [{ name = "Michael Platzer", email = "michael.platzer@gmail.com" }]
 requires-python = ">=3.11"
 readme = "README.md"