bug #48005 [ErrorHandler] s/</br>/<br> (PhilETaylor)

This PR was merged into the 5.4 branch.

Discussion
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[ErrorHandler] s/</br>/<br>

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no just a typo
| New feature?  | no
| Deprecations? | no
| License       | MIT

replace typo `</br>` with `<br>`

Commits
-------

7c8bcd81c4 s/<\br>/<br>

Author: fabpot

Resources/views/traces.html.php

@@ -12,7 +12,7 @@
                 $class = substr($exception['class'], $separator);
                 ?>
                 <?php if ('' === $class) { ?>
-                    </br>
+                    <br>
                 <?php } else { ?>
                     <h3 class="trace-class">
                         <?php if ('' !== $namespace) { ?>