A code quality release that tightens static analysis and cleans up internals.

• Fixed all PHPStan errors and improved phpDoc annotations
• Switched to singleline declare statements across the codebase

• support for PHP 8.5
• optimized global function calls

• support for PHP 8.4
• added Structure::extend() #66
• added Structure::getShape() #35
• Expect::array(shape) returns Structure
• Structure::merge() without otherItems it merges by overwriting

• requires PHP 8.1
• uses PHP 8.1 features

• added transform() #52
• castTo() allows you to create objects #44 #47 #58 #46
• refactoring
• added path to Context::$dynamics
• Base: removed DynamicParameter from error message

• support for PHP 8.3
• constants are PascalCase

• support for PHP 8.2
• cs

• supports nette/utils 2.5

• Structure::skipDefaults() allow to skip defaults per structure
• AnyOf() must not be empty
• added AnyOf::firstIsDefault()
• Ability to define scheme for the key Expert::arrayOf($stringType, $keyType)

• added Type::mergeDefaults() [Closes #13, Closes #24, Closes #28, Closes #31]
• added error codes
• ValidationException::getMessageObjects() returns array of Messages
• Allow options to be marked as deprecated [Closes #27]
• Structure: structure with required fields can be optional [Closes #17]
• Type: PREVENT_MERGING prevents merging with defaults [Closes #14, Closes nette/application#257, nette/di#229]
• 'option' changed to 'item' in error messages