minor #14239 Fix small typo by removing semicolon (mercuryseries)

This PR was squashed before being merged into the 5.1 branch.

Discussion
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Fix small typo by removing semicolon

Fix small typo by removing semicolon

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Commits
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db7298f Fix small typo by removing semicolon

Author: javiereguiluz

security/experimental_authenticators.rst

@@ -493,7 +493,7 @@ authenticator, you would initialize the passport like this::
             return new Passport($user, new PasswordCredentials($password), [
                 // $this->userRepository must implement PasswordUpgraderInterface
                 new PasswordUpgradeBadge($password, $this->userRepository),
-                new CsrfTokenBadge('login', $csrfToken);
+                new CsrfTokenBadge('login', $csrfToken),
             ]);
         }
     }