Section method only in ConsoleOutputInterface

Since `excecute()` accepts an instanceof `OutputInterface` which does't contains the method (`section`)[https://github.com/symfony/symfony/blob/5.0/src/Symfony/Component/Console/Output/ConsoleOutputInterface.php#L31] we have to add a check on `ConsoleOutputInterface`

Author: ybenhssaien

console.rst

@@ -195,8 +195,14 @@ which returns an instance of
     {
         protected function execute(InputInterface $input, OutputInterface $output)
         {
-            $section1 = $output->section();
-            $section2 = $output->section();
+            // section() method available only in classes implement ConsoleOutputInterface
+            if ($output instanceof ConsoleOutputInterface) {
+                $section1 = $output->section();
+                $section2 = $output->section();
+            } else {
+                $section1 = $section2 = $output;
+            }
+    
             $section1->writeln('Hello');
             $section2->writeln('World!');
             // Output displays "Hello\nWorld!\n"