Bump ex_doc from 0.25.1 to 0.27.3

Bumps ex_doc from 0.25.1 to 0.27.3.

Changelog

Sourced from ex_doc's changelog.

v0.27.3 (2021-01-12)

• Bug fixes
  • Make HexDocs search case insensitive
  • Improve sidebar open/close animation

v0.27.2 (2021-01-11)

• Bug fixes
  • Fix version dropdown when hosted on HexDocs
  • Fix tooltips
  • Fix JavaScript error when Hex package information is not available

v0.27.1 (2021-01-11)

• Bug fixes
  • Several usability fixes on the new layout
  • Keep page ordering

v0.27.0 (2021-01-11)

• Enhancements
  • Introduce new sidebar design
  • Add --quiet option to CLI
  • Support multiple formatters in the CLI
  • Show structs as %Struct{} instead of __struct__ in the sidebar
  • Point Erlang links to www.erlang.org instead of erlang.org
  • Improvements to the night mode and styling

v0.26.0 (2021-11-21)

• Backwards incompatible changes

  • :filter_prefix has been renamed to :filter_modules and supports anonymous functions
  • :source_ref now defaults to "main"
  • Dropped support for smartypants in Markdown

• Bug fixes

  • Do not warn on links to sections

• Enhancements

  • Add copy button to code snippets
  • Add translate="no" to the relevant attributes to improve interoperability with automatic translation tools
  • Support optional module annotations
  • Introduce a settings modal to group most of configuration
  • Allow customizing the Livebook expansion URL
  • Provide documentation on how to render plugins such as Katex, VegaLite, and Mermaid

v0.25.5 (2021-10-20)

• Bug fixes

... (truncated)

Commits

• 07d8ddb Release v0.27.3
• f42e56c Add case insensitive quick switch search match (#1475)
• 9353c6d Keep only necessary transitions
• 37395a1 Improve sidebar open/close animation
• 9b58f96 Keep settings and module source on top if possible
• 5488420 Release v0.27.2
• 30ddadd Several fixes:
• 0d4ca8b Release v0.27.1
• 454e1ae Several fixes
• 13664d9 Add settings button to all pages (#1473)
• Additional commits viewable in compare view

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