[#1437] node: Fix contextcheck linter

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/writecache/writecache.go

@@ -44,9 +44,9 @@ type Cache interface {
 	Flush(context.Context, bool, bool) error
 	Seal(context.Context, SealPrm) error
 
-	Init() error
+	Init(context.Context) error
 	Open(ctx context.Context, mode mode.Mode) error
-	Close() error
+	Close(context.Context) error
 	GetMetrics() Metrics
 }