v5.4.36

Changelog (v5.4.35...v5.4.36)

• bug symfony/symfony#53989 [FrameworkBundle] Fix config builder with extensions extended in build() (@HypeMC)
• bug symfony/symfony#53913 [TwigBridge] Fix compat with Twig v3.9 (@nicolas-grekas)
• bug symfony/symfony#53924 [FrameworkBundle] Check if the _route attribute exists on the request (@xvilo)
• bug symfony/symfony#53792 [FrameworkBundle] Fix eager-loading of env vars in ConfigBuilderCacheWarmer (@nicolas-grekas)
• bug symfony/symfony#53785 [FrameworkBundle] Prevent silenced warning by checking if /proc/mount exists (@shyim)