minor #33180 [ProxyManager] fix closure binding (nicolas-grekas)

This PR was merged into the 3.4 branch.

Discussion
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[ProxyManager] fix closure binding

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #33037
| License       | MIT
| Doc PR        | -

Follows #32992

Commits
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31f920850a [ProxyManager] fix closure binding

src/Symfony/Bridge/ProxyManager/LazyProxy/PhpDumper/ProxyDumper.php

@@ -113,7 +113,7 @@ EOF;
         }
 
         if (version_compare(self::getProxyManagerVersion(), '2.5', '<')) {
-            $code = str_replace(' \Closure::bind(function ', ' \Closure::bind(static function ', $code);
+            $code = preg_replace('/ \\\\Closure::bind\(function ((?:& )?\(\$instance(?:, \$value)?\))/', ' \Closure::bind(static function \1', $code);
         }
 
         return $code;