bug #1267 [Site][CVE] Update symfony/* (smnandre)

This PR was merged into the 2.x branch.

Discussion
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[Site][CVE] Update symfony/*

Update symfony/* dependencies following security alerts

* https://symfony.com/blog/cve-2023-46733-possible-session-fixation
* https://symfony.com/blog/cve-2023-46734-potential-xss-vulnerabilities-in-codeextension-filters
* https://symfony.com/blog/cve-2023-46735-potential-xss-in-webhookcontroller

Commits
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0a9b75e Apply security fix

Author: weaverryan