Fix syntax errors in memory storage implementation

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/memory/test_custom_storage.py

@@ -11,7 +11,7 @@ from crewai.memory.storage.interface import SearchResult, Storage
 from crewai.memory.user.user_memory import UserMemory
 
 
-class CustomStorage(Storage):
+class CustomStorage(Storage[Any]):
     """Custom storage implementation for testing."""
 
     def __init__(self):
@@ -141,7 +141,7 @@ def test_custom_storage_with_memory_config():
 def test_custom_storage_error_handling():
     """Test error handling with custom storage."""
     # Test exception propagation
-    class ErrorStorage(Storage):
+    class ErrorStorage(Storage[Any]):
         """Storage implementation that raises exceptions."""
         def __init__(self):
             self.data = []
@@ -172,7 +172,7 @@ def test_custom_storage_error_handling():
 
 def test_custom_storage_edge_cases():
     """Test edge cases with custom storage."""
-    class EdgeCaseStorage(Storage):
+    class EdgeCaseStorage(Storage[Any]):
         """Storage implementation for testing edge cases."""
         def __init__(self):
             self.data = []