Bump log from 0.4.1 to 0.4.5

[dependabot-preview[bot]]

Bumps log from 0.4.1 to 0.4.5.

Release notes

*Sourced from [log's releases](https://github.com/rust-lang/log/releases).* > ## env_logger-0.4.3 > - Make log target configurable ([#105](https://github-redirect.dependabot.com/rust-lang/log/issues/105), thanks [**dbrgn**](https://github.com/dbrgn)) > > ## env_logger-0.4.2 > No release notes provided.

Changelog

*Sourced from [log's changelog](https://github.com/rust-lang-nursery/log/blob/master/CHANGELOG.md).* > ## [0.4.5] - 2018-09-03 > > ### Improved > > * Make `log`'s internal helper macros less likely to conflict with user-defined > macros. > > ## [0.4.4] - 2018-08-17 > > ### Improved > > * Support 2018-style imports of the log macros. > > ## [0.4.3] - 2018-06-29 > > ### Improved > > * More code generation improvements. > > ## [0.4.2] - 2018-06-05 > > ### Improved > > * Log invocations now generate less code. > > ### Fixed > > * Example Logger implementations now properly set the max log level.

Commits

- [`d711a6b`](https://github.com/rust-lang-nursery/log/commit/d711a6bf4891aedbafddad684b6b42ddc5193c51) Release 0.4.5 - [`9b30cbb`](https://github.com/rust-lang-nursery/log/commit/9b30cbb0107cdc0b636f5027f46a0eed21787fcb) Merge pull request [#292](https://github-redirect.dependabot.com/rust-lang/log/issues/292) from dtolnay/private - [`da920f8`](https://github.com/rust-lang-nursery/log/commit/da920f8637d0be841e755d241f87b8c6831277c6) Make private helper macro names less likely to conflict - [`5602967`](https://github.com/rust-lang-nursery/log/commit/5602967f4772179264c6a25946490ef88f433531) Release 0.4.4 - [`88983eb`](https://github.com/rust-lang-nursery/log/commit/88983eb42adf76ca5cad4d47e683bd61a6823fab) Merge pull request [#288](https://github-redirect.dependabot.com/rust-lang/log/issues/288) from dtolnay/local - [`11dfde1`](https://github.com/rust-lang-nursery/log/commit/11dfde1a29dd223fde851f8b671547d2163109e1) Use local_inner_macros to resolve all local macros within $crate - [`ea901a1`](https://github.com/rust-lang-nursery/log/commit/ea901a1825a93c9a77ff2b2841dc590259c27fab) Merge pull request [#287](https://github-redirect.dependabot.com/rust-lang/log/issues/287) from sunfishcode/wait-for-initialized - [`7e443a0`](https://github.com/rust-lang-nursery/log/commit/7e443a0d9d0a5ed8be76bb34e14074aa1c9ed04f) Remove the call to spin_loop_hint. - [`637ae01`](https://github.com/rust-lang-nursery/log/commit/637ae01b625d4bd710402a51901afe8cd827aff7) Ensure that initialization is complete after `set_logger_inner`. - [`7a60286`](https://github.com/rust-lang-nursery/log/commit/7a6028666b6e21e8cd39203e1f1114afc44333ef) Merge pull request [#283](https://github-redirect.dependabot.com/rust-lang/log/issues/283) from bcko/patch-1 - Additional commits viewable in [compare view](https://github.com/rust-lang/log/compare/env_logger-0.4.1...0.4.5)

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[dependabot-preview[bot]]

Looks like log is up-to-date now, so this is no longer needed.