chore(deps): update dependency duckdb to v1.4.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
duckdb (changelog)	1.2.1 -> 1.4.2

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Release Notes

duckdb/duckdb-python (duckdb)

v1.4.2: Python DuckDB v1.4.2

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This is a bug fix release for various issues discovered after we released v1.4.1.

Also see the DuckDB v1.4.2 Changelog.

What's Changed

• Add Python 3.14 support by @​evertlammerts in #​116
• Fix ADBC driver path resolution when importlib.util was not implicitly loaded by @​henryharbeck in #​135
• add targeted test workflow by @​evertlammerts in #​145
• Remove xfail annotations on adbc tests by @​evertlammerts in #​147
• fix config dict value typehint by @​evertlammerts in #​151
• Add df data and tz type columns back into the same loc after type con… by @​evertlammerts in #​150
• Enable pyarrow with python 3.14 by @​evertlammerts in #​152
• spark imports by @​evertlammerts in #​157
• Fix failing test due to changed error msg by @​evertlammerts in #​158
• Add explicit .pl(lazy=True) overload by @​J-Meyers in #​172
• Fix InsertRelation on attached database by @​evertlammerts in #​155

Full Changelog: duckdb/duckdb-python@v1.4.1...v1.4.2

v1.4.1

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DuckDB Core: v1.4.1

Bug Fixes

• ADBC Driver: Fixed ADBC driver implementation (#​81)
• SQLAlchemy compatibility: Added __hash__ method overload (#​61)
• Error Handling: Reset PyErr before throwing Python exceptions (#​69)
• Polars Lazyframes: Fixed Polars expression pushdown (#​102)

Code Quality Improvements & Developer Experience

• MyPy Support: MyPy is functional again and better integrated with the dev workflow
• Stubs: Re-created and manually curated stubs for the binary extension
• Type Shadowing: Deprecated typing and functional modules
• Linting & Formatting: Comprehensive code quality improvements with Ruff
• Type Annotations: Added missing overloads and improved type coverage
• Pre-commit Integration: Added ruff, clang-format, cmake-format and mypy configs
• CI/CD: Added code quality workflow

v1.4.0

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v1.3.2

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v1.3.1

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