Bump log from 0.4.8 to 0.4.20

[dependabot[bot]]

Bumps log from 0.4.8 to 0.4.20.

Changelog

Sourced from log's changelog.

[0.4.20] - 2023-07-11

• Remove rustversion dev-dependency by @​Thomasdezeeuw in rust-lang/log#568
• Remove local_inner_macros usage by @​EFanZh in rust-lang/log#570

[0.4.19] - 2023-06-10

• Use target_has_atomic instead of the old atomic_cas cfg by @​GuillaumeGomez in rust-lang/log#555
• Put MSRV into Cargo.toml by @​est31 in rust-lang/log#557

[0.4.18] - 2023-05-28

• fix markdown links (again) by @​hellow554 in rust-lang/log#513
• add cargo doc to workflow by @​hellow554 in rust-lang/log#515
• Apply Clippy lints by @​hellow554 in rust-lang/log#516
• Replace ad-hoc eq_ignore_ascii_case with slice::eq_ignore_ascii_case by @​glandium in rust-lang/log#519
• fix up windows targets by @​KodrAus in rust-lang/log#528
• typo fix by @​jiangying000 in rust-lang/log#529
• Remove dependency on cfg_if by @​EriKWDev in rust-lang/log#536
• GitHub Workflows security hardening by @​sashashura in rust-lang/log#538
• Fix build status badge by @​atouchet in rust-lang/log#539
• Add call_logger to the documentation by @​a1ecbr0wn in rust-lang/log#547
• Use stable internals for key-value API by @​KodrAus in rust-lang/log#550
• Change wording of list of implementations by @​Thomasdezeeuw in rust-lang/log#553
• Add std-logger to list of implementations by @​Thomasdezeeuw in rust-lang/log#554
• Add set_max_level_racy and gate set_max_level by @​djkoloski in rust-lang/log#544
• [doc] src/lib.rs : prefix an unused variable with an underscore by @​OccupyMars2025 in rust-lang/log#561
• [doc] src/macros.rs : correct grammar errors of an example in lib documentation by @​OccupyMars2025 in rust-lang/log#562

[0.4.17] - 2022-04-29

• Update kv_unstable internal dependencies.

[0.4.16] - 2022-03-22

• Fix a conflict with unqualified Option use in macros.

[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

... (truncated)

Commits

• 4708f14 Merge pull request #574 from chrysn-pull-requests/doc-log-to-defmt
• 6de3ccc Merge pull request #571 from rust-lang/cargo/0.4.20
• 838920c Merge pull request #575 from EFanZh/group-target-module-path-and-file
• 3985711 Group target, module_path and file arguments
• 3f534d0 Move private APIs into a single module
• f5ab686 doc: Add log-to-defmt to other-facilities section
• 6d173bf prepare for 0.4.20 release
• cab1088 Merge pull request #570 from EFanZh/remove-local-inner-macros
• 9d052b1 Remove local_inner_macros usage
• e9123d6 Merge pull request #568 from Thomasdezeeuw/remove-rustversion-dep
• Additional commits viewable in compare view

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