Update jiff requirement from 0.1.13 to 0.2.1

[dependabot]

Updates the requirements on jiff to permit the latest version.

Changelog

Sourced from jiff's changelog.

0.2.1 (2025-02-16)

This release includes a massive number of optimizations that significantly improves performance in some cases. If you had a workload whose performance with Jiff was underwhelming, please give it a try. I welcome questions via [Discussions on GitHub].

This release also provides a new API, Timestamp::constant, for constructing Timestamp values in a const context.

Enhancements:

• #235, #255, #266: A massive number of performance improvements. Jiff should now generally be faster than chrono and time.
• #263: Add Timestamp::constant for constructing timestamps in const context.

0.2.0 (2025-02-10)

This is a new semver incompatible release of Jiff. It contains several breaking changes. I expect most users of Jiff to be able to upgrade without any changes. The fundamental API organization of Jiff has not changed.

Some of the highlights of this release include reducing footguns and better ecosystem integration.

For reducing footguns, APIs on Span will no longer implicitly assume that days are always 24 hours long. And Span no longer implements PartialEq or Eq (instead favoring span.fieldwise() to create a value that supports naive fieldwise comparison). Moreover, when using TimeZone::system() (perhaps via Zoned::now()), if the system time zone could not be detected, then a special Etc/Unknown time zone will be used instead. This avoids erroring, but also surfaces itself to make it clearer that something has (perhaps) gone wrong.

As for ecosystem integration, this release coincides with the publication of the [jiff-icu], [jiff-sqlx] and [jiff-diesel] crates. jiff-icu integrates with the [ICU4X project], and is now the recommended way to use Jiff to work with non-Gregorian calendars or to localize datetimes for end users. jiff-sqlx and jiff-diesel provide wrapper types that implement the necessary traits to make it ergonomic to store and retrieve Jiff values in a database using [SQLx] or [Diesel], respectively.

Unless something unexpected happens, my plan is for the next breaking change release to be Jiff 1.0 in about 6 months. Once Jiff 1.0 is out, I plan to commit to it indefinitely.

... (truncated)

Commits

• 921f2cc 0.2.1
• ef7d3fe changelog: 0.2.1
• 1d66fa9 perf: do a ton of optimizations
• ccf5bb4 bench: completely re-organize benchmarks
• d7438df dev: remove jiff-icu from dev dependencies
• fd88444 doc: fix typo
• 96ec82d jiff-diesel: implement AsExpression for nullable wrappers
• e862edd timestamp: add Timestamp::constant constructor
• e094b01 crates: re-add jiff-{icu,sqlx,diesel} to workspace
• 6ea3611 0.2.0
• Additional commits viewable in compare view

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