Bump hexo from 3.9.0 to 4.2.0

[dependabot-preview]

Bumps hexo from 3.9.0 to 4.2.0.

Release notes

Sourced from hexo's releases.

4.2.0

Features

• Caching is disabled by default in hexo-server #3963
  • It's disabled so that any changes (particularly to the theme's layout) can be previewed in real-time.
  • If you use hexo-server in production environment to serve your website, it can be enabled by,

  _config.yml
  server:
    cache: true

• Add min_depth: option to toc() helper #3997
  • Example usage:

  <%- toc(page.content, { min_depth: 2 }) %>
  // table of content would only include <h2>, <h3> and above

Fixes

• Merges similar theme configs in main config and theme's config #3967
  • For example:

  _config.yml
  theme_config:
    a:
      b: 'foo'

  • Plus,

  _config.yml of theme
  a:
    c: 'bar'

  • theme variable should have,

  a: {
    b: 'foo',
    c: 'bar'
  }
  

• Fixes some caching issue #3985
• Open Graph now applies all pretty_urls options to og:url tag #3983

Refactor

• No longer uses lodash #3969, #3987, #3753
  • Lodash _ is still available as a global variable, usually utilized in theme layout.
  • However, we plan to completely drop it in the coming Hexo 5.0.0
  • This project page includes all the relevant pull requests which you may find useful
• Completely drops cheerio #3850, #3677
  • This means Hexo no longer includes cheerio as part of its production dependencies (it's still a development dependency)
  • This also means the following initialization methods no longer work,

... (truncated)

Commits

• c0bf222 Merge pull request #4001 from curbengh/4.2.0
• b330adb release: 4.2.0
• 3d80619 Merge pull request #3996 from SukkaW/utilize-hexo-util-cache
• a4a3f82 Merge pull request #3997 from SukkaW/toc-min-depth
• 0cfb532 feat(toc_helper): add min_depth option
• c361e84 test(toc_helper): refactor
• aed8240 test(locals): use cache syntax
• c6e6e6b refactor(locals): utilize hexo-util's Cache()
• 09316c2 refactor(console/generate): utilize hexo-util
• a381dda refactor(toc_helper): utilize hexo-util (#3850)
• Additional commits viewable in compare view

Maintainer changes

This version was pushed to npm by curben, a new releaser for hexo since your current version.

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[coveralls]

Coverage remained the same at 100.0% when pulling d79cdf7 on dependabot/npm_and_yarn/hexo-4.2.0 into 346fd0b on master.