minor #57746 do not use uniqid() for generating dev tool tokens (xabbuh)

This PR was merged into the 7.2 branch.

Discussion
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do not use `uniqid()` for generating dev tool tokens

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | part of #57588
| License       | MIT

Commits
-------

5ad7ab9fab do not use uniqid() for generating dev tool tokens

Author: nicolas-grekas

EventListener/ConsoleProfilerListener.php

@@ -77,7 +77,7 @@ public function initialize(ConsoleCommandEvent $event): void
             return;
         }
 
-        $request->attributes->set('_stopwatch_token', substr(hash('xxh128', uniqid(mt_rand(), true)), 0, 6));
+        $request->attributes->set('_stopwatch_token', bin2hex(random_bytes(3)));
         $this->stopwatch->openSection();
     }