Bump haml from 3.1.6 to 5.1.1

[dependabot-preview]

Bumps haml from 3.1.6 to 5.1.1.

Changelog

Sourced from haml's changelog.

5.1.1

Released on May 25, 2019
(diff).

• Fix NameError bug that happens on ruby 2.6.1-2.6.3 + haml 5.1.0 + rails < 5.1 + erubi. (Akira Matsuda)

5.1.0

Released on May 16, 2019
(diff).

• Rails 6 support #1008 (thanks Seb Jacobs)
• Add escape_filter_interpolations option for backwards compatibility with haml 4 defaults #984 (thanks Will Jordan)
• Fix error on empty :javascript and :css filter blocks #986 (thanks Will Jordan)
• Respect changes in Haml::Options.defaults in Haml::TempleEngine options (Takashi Kokubun)
• Un-freeze TempleEngine precompiled string literals #983 (thanks Will Jordan)
• Various performance/memory improvements #965, #966, #963 (thanks Dillon Welch)
• Enable frozen_string_literal magic comment for all .rb files #967 (thanks Dillon Welch)

5.0.4

Released on October 13, 2017
(diff).

• Fix haml -c --stdin regression in 5.0.2. #958 (thanks Timo Göllner)
• Ruby 2.5 support (it wasn't working due to Ripper API change). (Akira Matsuda)

5.0.3

Released on September 7, 2017
(diff).

• Use String#dump instead of String#inspect to generate string literal. (Takashi Kokubun)
• Fix Erubi superclass mismatch error. #952 (thanks Robin Daugherty)

5.0.2

Released on August 1, 2017
(diff).

• Let haml -c fail if generated Ruby code is syntax error. #880 (Takashi Kokubun)
• Fix NoMethodError bug caused with Sprockets 3 and :sass filter. #930 (thanks Gonzalez Maximiliano)
• Fix list_of helper with multi-line content. #933 (thanks Benoit Larroque)
• Optimize rendering performance by changing timing to fix textareas. #941 (Takashi Kokubun)
• Fix TypeError with empty :ruby filter. #942 (Takashi Kokubun)
• Fix inconsistent attribute sort order. (Takashi Kokubun)

5.0.1

... (truncated)

Commits

• bfa7007 Version 5.1.1
• 09cb8ef ruby >= 2.7 may raise NameError when const_getting the handler Erubi this way
• 9374849 const_defined? returns true for unreachable constant in Ruby 2.6.1...2.6.3
• 37121f6 Merge pull request #1013 from nickhammond/patch-1
• 89c82db Update Code Climate badge
• c6be7cc Unused method arguments
• 2023f8e Unused module
• 3a0650d beginrescueend
• 6e8fde2 render_file => render_template
• 77e23c8 ⚠️ ActionView::Base instances must implement `compiled_method_containe...
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #16.