[#132] Add steps logger and refactor reporter usage

Signed-off-by: Andrey Berezin <a.berezin@yadro.com>

src/frostfs_testlib/reporter/interfaces.py

@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from contextlib import AbstractContextManager
+from contextlib import AbstractContextManager, ContextDecorator
 from typing import Any, Callable
 
 
@@ -7,7 +7,7 @@ class ReporterHandler(ABC):
     """Interface of handler that stores test artifacts in some reporting tool."""
 
     @abstractmethod
-    def step(self, name: str) -> AbstractContextManager:
+    def step(self, name: str) -> AbstractContextManager | ContextDecorator:
         """Register a new step in test execution.
 
         Args: