[deprecation] Deprecate DeprecatedAnnotationToDeprecatedAttributeRector and ConstAndTraitDeprecatedAttributeRector

[TomasVotruba]

The #[Deprecated] attribute triggers a runtime deprecation, while the @deprecated annotation is a static hint only. Those have a different purpose and are not interchangeable, so converting one into the other is not a safe upgrade path - it changes application behavior at runtime.

Let phpstan/phpstan-deprecation-rules report the annotation instead.

What the rules did

+#[\Deprecated(message: 'Use SomeOtherFunction instead', since: '1.0.0')]
 function someFunction()
 {
 }
-
-/**
- * @deprecated 1.0.0 Use SomeOtherFunction instead
- */

The @deprecated annotation stays readable in the IDE and in static analysis, without emitting E_USER_DEPRECATED on every call.

Changes

• DeprecatedAnnotationToDeprecatedAttributeRector and ConstAndTraitDeprecatedAttributeRector implement DeprecatedInterface and throw on refactor()
• removed from all sets - ConstAndTraitDeprecatedAttributeRector is dropped from config/set/php85.php
• tests and the shared DeprecatedAnnotationToDeprecatedAttributeConverter service are deleted

Side fix

The ForeachToArray*Rector test configs did not pin phpVersion(), and relied on the PHP version leaked by the removed test config that ran right before them. They now pin PhpVersion::PHP_84 explicitly.