documentation #3221 [Translator] Reword dump_typescript option description (Kocal)

This PR was merged into the 2.x branch.

Discussion
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[Translator] Reword `dump_typescript` option description

| Q              | A
| -------------- | ---
| Bug fix?       | no
| New feature?   | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations?  | no <!-- if yes, also update UPGRADE-*.md and src/**/CHANGELOG.md -->
| Documentation? | yes <!-- required for new features, or documentation updates -->
| Issues         | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License        | MIT

Following #3218 (review), thank you `@smnandre`

The recipe symfony/recipes#1499 have been updated as well.

Commits
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248f7fc [Translator] Reword `dump_typescript` option description

Author: Kocal

src/Translator/src/DependencyInjection/Configuration.php

@@ -33,7 +33,7 @@ public function getConfigTreeBuilder(): TreeBuilder
                     ->defaultValue('%kernel.project_dir%/var/translations')
                 ->end()
                 ->booleanNode('dump_typescript')
-                    ->info('Control if TypeScript types should be dumped alongside translations. Can be useful to disable when not using TypeScript (e.g. AssetMapper in production).')
+                    ->info('Control whether TypeScript types are dumped alongside translations. Disable this if you do not use TypeScript (e.g. in production when using AssetMapper).')
                     ->defaultTrue()
                 ->end()
                 ->arrayNode('domains')