Update ex_doc requirement from ~> 0.23.0 to ~> 0.25.2

[dependabot]

Updates the requirements on ex_doc to permit the latest version.

Changelog

Sourced from ex_doc's changelog.

v0.25.2

• Enhancements
  • Add support for Livebook's .livemd Markdown files
  • Preload all applications starting with makeup_ before doc generation
  • Add Hex package config and display "Find on Hex" footer links

v0.25.1 (2021-08-02)

• Enhancements

  • Supporting grouping of callbacks
  • Use shell lexer for code blocks with no language and starting with $

• Bug fixes

  • Fix generating type signatures with maps
  • Skip Erlang modules that have empty docs
  • Skip Erlang functions that have empty docs
  • Fix accidentally showing shape of opaque types

v0.25.0 (2021-07-20)

• Enhancements

  • Handle remote types when generating signatures, e.g. @callback callback1(GenServer.options()) becomes callback1(options)
  • Support Markdown processor options
  • Add --paths command line argument to prepend directories to the code path when generating docs
  • Make shell prompt, $ , not selectable for shell, sh, bash and zsh code blocks

• Bug fixes

  • Fix custom links to undefined/hidden references
  • Fix generating external links with :deps configuration
  • Add ellipsis to more sections

• Backwards incompatible changes

  • Remove function landing pages

v0.24.2 (2021-04-06)

• Enhancements

  • Support stepped range syntax

• Bug fixes

  • Add spaces on paragraph endings for search results
  • Fix bug defining app name in config
  • Fix rendering void elements (<br> etc)

v0.24.1 (2021-03-22)

• Bug fixes
  • Fix generating function landing pages

... (truncated)

Commits

• 6fc5f0f Release v0.25.2
• b25a000 Preload makeup plugins
• db6370d Remove OTP 23 from CI
• ff3ab2d Assume OTP 24+ for edoc chunk tests
• c147fa9 Skip modules that have chunk but are not loaded
• 08f9234 Fix handling typespecs with the same name as the type
• 6bec83b Include kind in undefined reference warning
• 8e13a89 Add a temporary way to disable warnings on unsupported \<see*> links
• d28641c Handle erts typespecs
• 24c03d0 Handle OTP links when generating OTP docs
• Additional commits viewable in compare view

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