bug #30498 [translation] Update defaut format from yml to yaml (GaryP…

…EGEOT)

This PR was squashed before being merged into the 3.4 branch (closes #30498).

Discussion
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[translation] Update defaut format from yml to yaml

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | #30443
| License       | MIT
| Doc PR        |

As stated in #30443 , command `php bin/console translation:update --dump-messages --force fr` will by default output the translation to yml format, which is not supported by Symfony

Commits
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ba42030 [translation] Update defaut format from yml to yaml

src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php

@@ -83,7 +83,7 @@ protected function configure()
                 new InputArgument('bundle', InputArgument::OPTIONAL, 'The bundle name or directory where to load the messages'),
                 new InputOption('prefix', null, InputOption::VALUE_OPTIONAL, 'Override the default prefix', '__'),
                 new InputOption('no-prefix', null, InputOption::VALUE_NONE, '[DEPRECATED] If set, no prefix is added to the translations'),
-                new InputOption('output-format', null, InputOption::VALUE_OPTIONAL, 'Override the default output format', 'yml'),
+                new InputOption('output-format', null, InputOption::VALUE_OPTIONAL, 'Override the default output format', 'yaml'),
                 new InputOption('dump-messages', null, InputOption::VALUE_NONE, 'Should the messages be dumped in the console'),
                 new InputOption('force', null, InputOption::VALUE_NONE, 'Should the update be done'),
                 new InputOption('no-backup', null, InputOption::VALUE_NONE, 'Should backup be disabled'),

src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php

@@ -143,7 +143,7 @@ private function createCommandTester($extractedMessages = [], $loadedMessages =
             ->expects($this->any())
             ->method('getFormats')
             ->will(
-                $this->returnValue(['xlf', 'yml'])
+                $this->returnValue(['xlf', 'yml', 'yaml'])
             );
 
         if (null === $kernel) {