build(deps): Bump mdbook from 0.4.37 to 0.4.40

[dependabot]

Bumps mdbook from 0.4.37 to 0.4.40.

Release notes

Sourced from mdbook's releases.

v0.4.40

See https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-0440 for a complete list of changes.

v0.4.39

See https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-0439 for a complete list of changes.

v0.4.38

See https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-0438 for a complete list of changes.

Changelog

Sourced from mdbook's changelog.

mdBook 0.4.40

v0.4.39...v0.4.40

Fixed

• Reverted the update to pulldown-cmark which broke the semver API. #2388

mdBook 0.4.39

v0.4.38...v0.4.39

Fixed

• Fixed the automatic deploy broken in the previous release. #2383

mdBook 0.4.38

v0.4.37...v0.4.38

Added

• Added nix to the default set of languages supported for syntax highlighting. #2262

Changed

• The output.html.curly-quotes option has been renamed to output.html.smart-punctuation to better reflect what it does. The old option curly-quotes is kept for compatibility, but may be removed in the future. #2327
• The file-watcher used in mdbook serve and mdbook watch now uses a poll-based watcher instead of the native operating system notifications. This should fix issues on various systems and environments, and more accurately detect when files change. The native watcher can still be used with the --watcher native CLI option. #2325
• mdbook test output now includes color, and shows relative paths to the source. #2259
• Updated dependencies, MSRV raised to 1.74 #2350 #2351 #2378 #2381

Fixed

• Reduced memory allocation when copying files. #2355
• Fixed the horizontal divider in SUMMARY.md from being indented into the previous nested section. #2364
• Removed unnecessary @import in the CSS. #2260

Commits

• 94b922d Merge pull request #2389 from ehuss/bump-version
• 0a8f9a3 Update to 0.4.40
• a5d4d1e Merge pull request #2386 from ehuss/revert-pulldown-cmark
• 2bdb586 Add comment not to update pulldown-cmark.
• 6593228 Revert "Merge pull request #2381 from ehuss/update-pulldown-cmark"
• e34f9c6 Merge pull request #2385 from ehuss/bump-version
• e0e13e3 Merge pull request #2384 from ehuss/arg_watcher-dead-code
• 4c333be Update to 0.4.39
• 965f7bd Fix dead_code warning for arg_watcher
• cfcba01 Merge pull request #2383 from ehuss/musl-fix
• Additional commits viewable in compare view

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