[#148] linter: Add containedctx linter

Context has to be passed as an argument: https://pkg.go.dev/context

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

pkg/morph/client/constructor.go

@@ -26,6 +26,7 @@ type Option func(*cfg)
 type Callback func()
 
 // groups the configurations with default values.
+// nolint: containedctx
 type cfg struct {
 	ctx context.Context // neo-go client context