Bump version to 1.2.0

Author: sagemaso

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "egon-validation"
-version = "1.1.1"
+version = "1.2.0"
 description = "Validation library for eGon data pipeline (rules hard-coded, SQL-first, Airflow-friendly)"
 readme = "README.md"
 requires-python = ">=3.10,<3.11"