minor #17308 [Security] Removing self-closing slash from <input>s (ThomasLandauer)

This PR was merged into the 6.2 branch.

Discussion
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[Security] Removing self-closing slash from `<input>`s

I suggested the same for Symfony's templates, see symfony/symfony#47715

Commits
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c08a0a8 Removing self-closing slash from `<input>`s

Author: javiereguiluz

security.rst

@@ -807,13 +807,13 @@ Finally, create or update the template:
 
         <form action="{{ path('app_login') }}" method="post">
             <label for="username">Email:</label>
-            <input type="text" id="username" name="_username" value="{{ last_username }}"/>
+            <input type="text" id="username" name="_username" value="{{ last_username }}">
 
             <label for="password">Password:</label>
-            <input type="password" id="password" name="_password"/>
+            <input type="password" id="password" name="_password">
 
             {# If you want to control the URL the user is redirected to on success
-            <input type="hidden" name="_target_path" value="/account"/> #}
+            <input type="hidden" name="_target_path" value="/account"> #}
 
             <button type="submit">login</button>
         </form>