Update dependency slevomat/coding-standard to v8.9.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
slevomat/coding-standard	require-dev	minor	8.8.0 -> 8.9.0

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Release Notes

slevomat/coding-standard

v8.9.0

Compare Source

🆕 New sniffs

• SlevomatCodingStandard.Classes.EnumCaseSpacing: Checks that there is a certain number of blank lines between enum cases
• SlevomatCodingStandard.Classes.RequireSelfReference: Requires self for local reference
• SlevomatCodingStandard.Variables.DisallowVariableVariable: Disallows use of variable variables
• SlevomatCodingStandard.ControlStructures.DisallowTrailingMultiLineTernaryOperator: Ternary operator has to be reformatted when the operator is not leading the line (thanks to @​esserj)
• SlevomatCodingStandard.Arrays.AlphabeticallySortedByKeys: Enforces natural sorting of array definitions by key in multi-line arrays (thanks to @​bkdotcom)

🔧 Improvements

• Support for phpstan/phpdoc-parser 1.16
• @phpcsSuppress can be with comment
• Support for non-falsy-string, list and non-empty-list type hints
• SlevomatCodingStandard.Arrays.TrailingArrayComma: Support for "legacy" array() syntax (thanks to @​bkdotcom)
• SlevomatCodingStandard.Complexity.Cognitive: Deprecate maxComplexity and implement warningThreshold and errorThreshold options (thanks to @​bkdotcom)
• SlevomatCodingStandard.Attributes.AttributeAndTargetSpacing: New option allowOnSameLine (thanks to @​stlrnz)
• SlevomatCodingStandard.Classes.RequireMultiLineMethodSignature: New option minParameterCount (thanks to @​janedbal)

🐛 Fixes

• SlevomatCodingStandard.Namespaces.AlphabeticallySortedUses: Fixer should not remove doc comments
• SlevomatCodingStandard.ControlStructures.EarlyExit: Fixed detection of useless else
• SlevomatCodingStandard.Variables.UselessVariable: Fixed false positive
• SlevomatCodingStandard.PHP.OptimizedFunctionsWithoutUnpacking: Fixed false positive with first class callable
• SlevomatCodingStandard.Classes.RequireConstructorPropertyPromotion: Fixes using prefixed var phpdoc (thanks to @​franmomu)

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