minor #19379 [Validator] Fix missing semicolon for Choice constraint documentation (Valentin-CosaVostra)

This PR was merged into the 5.4 branch.

Discussion
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[Validator] Fix missing semicolon for `Choice` constraint documentation

There is a small semicolon missing in the documentation, since 5.x branch.

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Commits
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6c69f1a Update Choice.rst

Author: OskarStark

reference/constraints/Choice.rst

@@ -250,7 +250,7 @@ you can pass the class name and the method as an array.
         // src/Entity/Author.php
         namespace App\Entity;
 
-        use App\Entity\Genre
+        use App\Entity\Genre;
         use Symfony\Component\Validator\Constraints as Assert;
 
         class Author