RequestUnmarshalResult body type fix

Author: p1c2u

Diff for: openapi_core/unmarshalling/request/datatypes.py

@@ -4,13 +4,14 @@
 
 from dataclasses import dataclass
 from dataclasses import field
+from typing import Any
 
 from openapi_core.datatypes import Parameters
 from openapi_core.unmarshalling.datatypes import BaseUnmarshalResult
 
 
 @dataclass
 class RequestUnmarshalResult(BaseUnmarshalResult):
-    body: str | None = None
+    body: Any | None = None
     parameters: Parameters = field(default_factory=Parameters)
     security: dict[str, str] | None = None