Update twig/twig requirement from ^1.7 to ^2.14

[dependabot-preview]

Updates the requirements on twig/twig to permit the latest version.

Changelog

Sourced from twig/twig's changelog.

2.14.0 (2020-XX-XX)

• Fix sandbox support when using "include(template_from_string())"
• Make round brackets optional for one argument tests like "same as" or "divisible by"
• Add support for ES2015 style object initialisation shortcut { a } is the same as { 'a': a }
• Drop PHP 7.1 support

2.13.1 (2020-08-05)

• Fix sandbox not disabled if syntax error occurs within {% sandbox %} tag
• Fix a regression when not using a space before an operator
• Restrict callables to closures in filters
• Allow trailing commas in argument lists (in calls as well as definitions)

2.13.0 (2020-07-05)

• Fix options not taken into account when using "Michelf\MarkdownExtra"
• Fix "Twig\Extra\Intl\IntlExtension::getCountryName()" to accept "null" as a first argument
• Drop support for PHP 7.0
• Throw exception in case non-Traversable data is passed to "filter"
• Fix context optimization on PHP 7.4
• Fix PHP 8 compatibility
• Fix ambiguous syntax parsing

2.12.5 (2020-02-11)

• Add a check to ensure that iconv() is defined

2.12.4 (2020-02-11)

• Avoid exceptions when an intl resource is not found
• Fix implementation of case-insensitivity for method names

2.12.3 (2019-12-28)

• fixed Symfony 5.0 support for the HTML extra extension
• fixed number formatter in Intl extra extension when using a formatter prototype

2.12.2 (2019-11-11)

• added supported for exponential numbers

2.12.1 (2019-10-17)

• added the String extension in the "extra" repositories: "u" filter

2.12.0 (2019-10-05)

• added the spaceship operator (""), useful when using an arrow function in the "sort" filter
• added support for an "arrow" function on the "sort" filter

Commits

• d495243 Prepare the 2.14.0 release
• 53650c5 Merge branch '1.x' into 2.x
• b1c9faa Fix PHP 8 support
• 2ffab58 Merge branch '1.x' into 2.x
• d46aeb0 Fix PHP 8 support
• dbc45e2 Merge branch '1.x' into 2.x
• 4058579 feature #3410 Drop support for PHP 7.1 (fabpot)
• 83d8e43 Drop support for PHP 7.1
• 4fa38c3 Update CHANGELOG
• fa2f1cc Tweak docs
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #65.