minor #46839 Fix generated validation error message for wrong exception mapping status code (andrew-demb)

This PR was merged into the 5.4 branch.

Discussion
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Fix generated validation error message for wrong exception mapping status code

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | yes
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       |  <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT
| Doc PR        |  <!-- required for new features -->

There was a typo in validation error.

Commits
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2dde9d52d2 Fix generated validation error message for wrong exception mapping status code

Author: chalasr

DependencyInjection/Configuration.php

@@ -1236,7 +1236,7 @@ private function addExceptionsSection(ArrayNodeDefinition $rootNode)
                                 ->info('The status code of the response. Null to let Symfony decide.')
                                 ->validate()
                                     ->ifTrue(function ($v) { return $v < 100 || $v > 599; })
-                                    ->thenInvalid('The log level is not valid. Pick a value between 100 and 599.')
+                                    ->thenInvalid('The status code is not valid. Pick a value between 100 and 599.')
                                 ->end()
                                 ->defaultNull()
                             ->end()