Python DuckDB v1.4.2

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: v1.4.1...v1.4.2