Update squizlabs/php_codesniffer requirement from ^3.5 to ^3.6

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Updates the requirements on squizlabs/php_codesniffer to permit the latest version.

Release notes

Sourced from squizlabs/php_codesniffer's releases.

3.6.0

PHP 8 Language Feature Support

PHP_CodeSniffer has run under PHP 8 for some time, but it has not supported all new language features until this release. Version 3.6.0 adds support for all new PHP 8 language features, including:

• Attributes
• Constructor property promotion
• Named arguments
• Union types
• Match expressions
• Static and Mixed return types

Note: All standards and sniffs included with PHP_CodeSniffer have been updated to support these language features, but external standards and sniffs may need updating before they are able to detect them correctly.

Changelog

• Added support for PHP 8.0 union types
  • A new T_TYPE_UNION token is available to represent the pipe character
  • File::getMethodParameters(), getMethodProperties(), and getMemberProperties() will now return union types
  • Thanks to Juliette Reinders Folmer for the patch
• Added support for PHP 8.0 named function call arguments
  • A new T_PARAM_NAME token is available to represent the label with the name of the function argument in it
  • Thanks to Juliette Reinders Folmer for the patch
• Added support for PHP 8.0 attributes
  • The PHP-supplied T_ATTRIBUTE token marks the start of an attribute
  • A new T_ATTRIBUTE_END token is available to mark the end of an attribute
  • New attribute_owner and attribute_closer indexes are available in the tokens array for all tokens inside an attribute
  • Tokenizing of attributes has been backfilled for older PHP versions
  • The following sniffs have been updated to support attributes:
    • PEAR.Commenting.ClassComment
    • PEAR.Commenting.FileComment
    • PSR1.Files.SideEffects
    • PSR12.Files.FileHeader
    • Squiz.Commenting.ClassComment
    • Squiz.Commenting.FileComment
    • Squiz.WhiteSpace.FunctionSpacing
      • Thanks to Vadim Borodavko for the patch
  • Thanks to Alessandro Chitolina for the patch
• Added support for PHP 8.0 dereferencing of text strings with interpolated variables
  • Thanks to Juliette Reinders Folmer for the patch
• Added support for PHP 8.0 match expressions
  • Match expressions are now tokenised with parenthesis and scope openers and closers
    • Sniffs can listen for the T_MATCH token to process match expressions
    • Note that the case and default statements inside match expressions do not have scopes set
  • A new T_MATCH_ARROW token is available to represent the arrows in match expressions
  • A new T_MATCH_DEFAULT token is available to represent the default keyword in match expressions
  • All tokenizing of match expressions has been backfilled for older PHP versions
  • The following sniffs have been updated to support match expressions:
    • Generic.CodeAnalysis.AssignmentInCondition
    • Generic.CodeAnalysis.EmptyPHPStatement
      • Thanks to Vadim Borodavko for the patch

... (truncated)

Commits

• ffced0d Prepare for 3.6.0 release
• f14e439 Changelog for #2925
• fe201de Merge branch 'specialMethod' of https://github.com/VincentLanglet/PHP_CodeSni...
• d96b6d8 Changelog for #3293
• 53b72cb Merge branch 'disallow-multiple-assignments' of https://github.com/kukulich/P...
• ccca313 Improve check for special method and add option
• 557756c Squiz.PHP.DisallowMultipleAssignmentsSniff: Fixed false positive when assigme...
• c19a0f5 Squiz.PHP.DisallowMultipleAssignmentsSniff: Fixed false positive when assigme...
• 2c41990 Spelling - seperator should be separator
• 9ca9a54 Squiz.PHP.DisallowMultipleAssignmentsSniff: Ignore default value assignments ...
• Additional commits viewable in compare view

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[coveralls]

Coverage remained the same at 100.0% when pulling 2544083 on dependabot/composer/squizlabs/php_codesniffer-tw-3.6 into 3514847 on 4.x.