bug #30921 [Translator] Warm up the translations cache in dev (tgalopin)

This PR was merged into the 3.4 branch.

Discussion
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[Translator] Warm up the translations cache in dev

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This PR fixes a bug in development when using the DataCollectorTranslator: because it's not implementing WarmableInterface, the translations cache is not built during cache:clear during development.

Commits
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a5f1afca15 [Translator] Warm up the translations cache in dev

src/Symfony/Component/Translation/DataCollectorTranslator.php

@@ -11,12 +11,13 @@
 
 namespace Symfony\Component\Translation;
 
+use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
 use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
  * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
  */
-class DataCollectorTranslator implements TranslatorInterface, TranslatorBagInterface
+class DataCollectorTranslator implements TranslatorInterface, TranslatorBagInterface, WarmableInterface
 {
     const MESSAGE_DEFINED = 0;
     const MESSAGE_MISSING = 1;
@@ -87,6 +88,14 @@ class DataCollectorTranslator implements TranslatorInterface, TranslatorBagInter
         return $this->translator->getCatalogue($locale);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function warmUp($cacheDir)
+    {
+        return $this->translator->warmUp($cacheDir);
+    }
+
     /**
      * Gets the fallback locales.
      *