Update Rust crate chrono to 0.4.31

This MR contains the following updates:

Package	Type	Update	Change
chrono	dependencies	patch	0.4.30 -> 0.4.31

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Release Notes

chronotope/chrono (chrono)

v0.4.31: 0.4.31

Compare Source

Another maintenance release. It was not a planned effort to improve our support for UNIX timestamps, yet most MRs seem related to this.

Deprecations

• Deprecate timestamp_nanos in favor of the non-panicking timestamp_nanos_opt (#​1275)

Additions

• Add DateTime::<Utc>::from_timestamp (#​1279, thanks @​demurgos)
• Add TimeZone::timestamp_micros (#​1285, thanks @​emikitas)
• Add DateTime<Tz>::timestamp_nanos_opt and NaiveDateTime::timestamp_nanos_opt (#​1275)
• Add UNIX_EPOCH constants (#​1291)

Fixes

• Format day of month in RFC 2822 without padding (#​1272)
• Don't allow strange leap seconds which are not on a minute boundary initialization methods (#​1283) This makes many methods a little more strict:
  • NaiveTime::from_hms_milli
  • NaiveTime::from_hms_milli_opt
  • NaiveTime::from_hms_micro
  • NaiveTime::from_hms_micro_opt
  • NaiveTime::from_hms_nano
  • NaiveTime::from_hms_nano_opt
  • NaiveTime::from_num_seconds_from_midnight
  • NaiveTime::from_num_seconds_from_midnight_opt
  • NaiveDate::and_hms_milli
  • NaiveDate::and_hms_milli_opt
  • NaiveDate::and_hms_micro
  • NaiveDate::and_hms_micro_opt
  • NaiveDate::and_hms_nano
  • NaiveDate::and_hms_nano_opt
  • NaiveDateTime::from_timestamp
  • NaiveDateTime::from_timestamp_opt
  • TimeZone::timestamp
  • TimeZone::timestamp_opt
• Fix underflow in NaiveDateTime::timestamp_nanos_opt (#​1294, thanks @​crepererum)

Documentation

• Add more documentation about the RFC 2822 obsolete date format (#​1267)

Internal

• Remove internal __doctest feature and doc_comment dependency (#​1276)
• CI: Bump actions/checkout from 3 to 4 (#​1280)
• Optimize NaiveDate::add_days for small values (#​1214)
• Upgrade pure-rust-locales to 0.7.0 (#​1288, thanks @​jeremija wo did good improvements on pure-rust-locales)

Thanks to all contributors on behalf of the chrono team, @​djc and @​pitdicker!

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