[2.11.0] - 2024-01-04

Added

• Add count_null aggregate function (#206)
• Support reading parquet schema (#208)
• Add more columns to reading parquet metadata (#209, #211)
• Provide groupByKey shortcuts for groupBy.as (#213)
• Allow to install PIP packages into PySpark job (#215)
• Allow to install Poetry projects into PySpark job (#216)