Bump log from 0.4.11 to 0.4.15

[dependabot]

Bumps log from 0.4.11 to 0.4.15.

Changelog

Sourced from log's changelog.

[0.4.15] - 2022-02-23

• Silence a warning about the deprecated spin_loop_hint.
• Relax ordering in the atomic set_max_level call.
• Add thumbv4t-none-eabi to targets that don't support atomics
• Allow levels to be iterated over.
• Implement Log on some common wrapper types.
• Improvements to test coverage.
• Improvements to documentation.
• Add key-value support to the log! macros.
• Tighten kv_unstable internal dependencies so they don't bump past their current alpha.
• Add a simple visit API to kv_unstable.
• Support NonZero* integers as values in structured logging
• Support static strings as keys in structured logging

[0.4.14] - 2021-01-27

• Remove the __private_api_log_lit special case.
• Fixed incorrect combination of kv_unstable and std features causing compile failures.
• Remove unstable Value::to_* conversions that were incorrectly using as.
• Rename unstable Value::to_error to Value::to_borrowed_error.

[0.4.13] - 2021-01-11

• This is the same as 0.4.11, except with a kv_unstable_std feature added to aid migrating current dependents to 0.4.14 (which was originally going to be 0.4.13 until it was decided to create a patch from 0.4.11 to minimize disruption).

[0.4.12] - 2020-12-24

New

• Support platforms without atomics by racing instead of failing to compile
• Implement Log for Box<T: Log>
• Update cfg-if to 1.0
• Internal reworks of the structured logging API. Removed the Fill API and added source::as_map and source::as_list to easily serialize a Source as either a map of {key: value, ..} or as a list of [(key, value), ..].

Fixed

• Fixed deserialization of LevelFilter to use their u64 index variants

Commits

• bc181df Merge pull request #492 from rust-lang/KodrAus-patch-2
• cf20336 update changelog for 0.4.15 with last minute additions
• 59fa5dc Merge pull request #491 from Thomasdezeeuw/kv-value-nonzero
• 4f9a212 Implement ToValue and From<$ty> for Value for NonZero
• d672066 Merge pull request #488 from wtetzner/master
• 863c461 Merge pull request #486 from Thomasdezeeuw/issue#484
• cb20e45 #487 Fix formatting.
• 8038ea8 #487 Add thumbv4t-none-eabi to the list of targets that don't support atomics.
• c626f82 Support static string as key value
• 21e30fc Merge pull request #485 from KodrAus/cargo/0.4.15
• Additional commits viewable in compare view

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[dependabot]

Superseded by #13.