[DowngradePhp74] Add DowngradeReflectionGetTypeRector

[TomasVotruba]

Ref deprecated-packages/symplify#3801

[samsonasik]

@TomasVotruba it seems it cause downgrade scoped error:

https://github.com/rectorphp/rector-src/runs/4433091788?check_suite_focus=true#step:14:76

------------------------------------------------------------
2021-12-06T16:42:46.4167654Z Parse error: rector-prefixed-downgraded/src/NodeAnalyzer/PropertyPresenceChecker.php:107
2021-12-06T16:42:46.4168783Z     105|             return null;
2021-12-06T16:42:46.4169266Z     106|         }
2021-12-06T16:42:46.4169901Z   > 107|         if (!null instanceof \ReflectionNamedType) {
2021-12-06T16:42:46.4170553Z     108|             return null;
2021-12-06T16:42:46.4171023Z     109|         }
2021-12-06T16:42:46.4172695Z Instanceof expects an object instance, constant given in rector-prefixed-downgraded/src/NodeAnalyzer/PropertyPresenceChecker.php on line 107
2021-12-06T16:42:46.4299950Z ##[error]Process 

[TomasVotruba]

Thanks for noticing 👍 I'll check it