Bump haml from 3.1.7 to 5.0.0

[dependabot]

Bumps haml from 3.1.7 to 5.0.0.

Changelog

Sourced from haml's changelog.

5.0.0

Released on April 26, 2017
(diff).

Breaking Changes

• Haml now requires Ruby 2.0.0 or above.

• Rails 3 is no longer supported, matching the official
  Maintenance Policy for Ruby on Rails.
  Use Haml 4 if you want to use Rails 3.
  (Tee Parham)

• Remove :ugly option (#894)

• The haml command's debug option (-d) no longer executes the Haml code, but
  rather checks the generated Ruby syntax for errors.

• Drop parser/compiler accessor from Haml::Engine. Modify Haml::Engine#initialize options
  or Haml::Template.options instead. (Takashi Kokubun)

• Drop dynamic quotes support and always escape ' for escape_html/escape_attrs instead.
  Also, escaped results are slightly changed and always unified to the same characters. (Takashi Kokubun)

• Don't preserve newlines in attributes. (Takashi Kokubun)

• HTML escape interpolated code in filters.
  #770
  (Matt Wildig)

    :javascript
      #{JSON.generate(foo: "bar")}
    Haml 4 output: {"foo":"bar"}
    Haml 5 output: {"foo":"bar"}
  

Added

• Add a tracing option. When enabled, Haml will output a data-trace attribute on each tag showing the path
  to the source Haml file from which it was generated. Thanks Alex Babkin.
• Add haml_tag_if to render a block, conditionally wrapped in another element (Matt Wildig)
• Support Rails 5.1 Erubi template handler.
• Support Sprockets 3. Thanks Sam Davies and Jeremy Venezia.
• General performance and memory usage improvements. (Akira Matsuda)
• Analyze attribute values by Ripper and render static attributes beforehand. (Takashi Kokubun)
• Optimize attribute rendering about 3x faster. (Takashi Kokubun)
• Add temple gem as dependency and create Haml::TempleEngine class.
  Some methods in Haml::Compiler are migrated to Haml::TempleEngine. (Takashi Kokubun)

Fixed

• Fix for attribute merging. When an attribute method (or literal nested hash)
  was used in an old style attribute hash and there is also a (non-static) new
  style hash there is an error. The fix can result in different behavior in
  some circumstances. See the commit message
  for detailed info. (Matt Wildig)
• Make escape_once respect hexadecimal references. (Matt Wildig)

... (truncated)

Commits

• 78e2a09 Version 5.0.0
• e5d6409 Note about #770 in Haml 5 changes
• 1bac6f9 Remove JRuby from allow_failures
• d45c2d4 Add backslash for @ to support JRuby
• 8f20707 Enable frozen_string_literal pragma if possible
• a6bb255 Oops, this was not intentional...
• aa4c397 Fix spec in #867 for pretty mode removal
• 11af795 Fallback to default value of preserve option
• bbbeb7e Update CHANGELOG to include #867
• ed7f24f Merge pull request #867 from redoPop/atful-css
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot ignore this [patch|minor|major] version will close this PR and stop Dependabot creating any more for this minor/major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language

You can disable automated security fix PRs for this repo from the Security Alerts page.