Update snafu requirement from 0.7 to 0.8 in /object_store
Updates the requirements on [snafu](https://github.com/shepmaster/snafu) to permit the latest version.
- [Changelog](https://github.com/shepmaster/snafu/blob/main/CHANGELOG.md)
- [Commits](https://github.com/shepmaster/snafu/compare/0.7.0...0.8.4)
---
updated-dependencies:
- dependency-name: snafu
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>
feat(arrow-array): migrate as_datetime to use DateTime<Utc>
Any test call-site is updated for DateTime<Utc>.
However, normal code call-sites immediately convert back to naive datetime.
I'm currently uncertain about the post-migration apis of the following:
- [`arrow_cast::cast::adjust_timestamp_to_timezone`]
- [`arrow_array::array::`PrimitivieArray<t>::value_as_datetime`]
- [`arrow_array::types::ArrowTimestampTime::make_value`]