Bump ex_doc from 0.21.2 to 0.21.3

[dependabot-preview[bot]]

Bumps ex_doc from 0.21.2 to 0.21.3.

Changelog

Sourced from ex_doc's changelog.

v0.21.3

• Enhancements

  • [HTML] Make "Exceptions" a module sub-grouping instead of a top-level group
  • [HTML] Automatically group deprecated modules
  • [HTML] Rely on prefers-color-scheme w/o night mode set
  • [HTML] Boost title on search results, add fun/arity to title
  • [mix docs] Initial work on support for multiple languages

• Bug fixes

  • [HTML] Many improvements to the search engine
  • [mix docs] Link to callback docs instead of copying them

Commits

• 4c283ae Release v0.21.3
• fa25e91 Run formatter
• 0ee78fa Add unit tests for automatic group detection
• 1fd03cd Do auto detection of both Exceptions and Deprecated
• b82d0b3 Make Exceptions a sub-grouping inside modules (#1124)
• d5cde30 fix typo (#1120)
• 863c97c Bump handlebars from 4.1.2 to 4.3.0 (#1118)
• bdc9063 Rely on prefers-color-scheme w/o night mode set (#1114)
• 5026bd0 Remove plugins from Earmark config options (#1113)
• 8c80006 Bump mixin-deep from 1.3.1 to 1.3.2 (#1111)
• Additional commits viewable in compare view

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[keathley]

@dependabot rebase

[dependabot-preview[bot]]

Dependabot tried to update this pull request, but something went wrong. We're looking into it, but in the meantime you can retry the update by commenting @dependabot rebase.

[dependabot-preview[bot]]

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