bug #36434 [HttpKernel] silence E_NOTICE triggered since PHP 7.4 (xab…

…buh)

This PR was merged into the 3.4 branch.

Discussion
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[HttpKernel] silence E_NOTICE triggered since PHP 7.4

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #36413
| License       | MIT
| Doc PR        |

Commits
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c4e2c44 silence E_NOTICE triggered since PHP 7.4

src/Symfony/Component/HttpKernel/Log/Logger.php

@@ -77,7 +77,7 @@ public function log($level, $message, array $context = [])
         }
 
         $formatter = $this->formatter;
-        fwrite($this->handle, $formatter($level, $message, $context));
+        @fwrite($this->handle, $formatter($level, $message, $context));
     }
 
     /**