flytekit 1.12.1b1 on Python PyPI

What's Changed

pickle dictionary when it isn't JSON serializable by @samhita-alla in #2390
Deprecate cron_expression by @eapolinario in #2402
Use uv in CI and to build images by @eapolinario in #2403
feat: Support ftp when using FlyteFile by @ggydush in #2409
fix(ImageSpec): Ensure all APIErrors return a value by @pingsutw in #2408
Adds jinja2 to dependnecies by @thomasjpfan in #2413
refactor(click_types): skip serialization for default values by @pingsutw in #2418
Fix UV install in Makefile by @thomasjpfan in #2421
Adds flytekitplugin.wandb by @thomasjpfan in #2405

Full Changelog: v1.12.1b0...v1.12.1b1