* 5.4:
  Skip Twig v3.9-dev for now
  [Validator] Update Dutch (nl) translation
  Update Albanian translations
  [Validator] Update translation
  [FrameworkBundle] Prevent silenced warning by checking if /proc/mount exists
  [VarDumper][PhpUnitBridge] Fix color detection
  prevent throwing NOT_FOUND error when tube is empty
  [Validator] Update missing validator translation for Swedish
  [FrameworkBundle] Fix eager-loading of env vars in ConfigBuilderCacheWarmer
  [Messenger] Fix failing Redis test
  [Validator] Update Italian (it) translations
  [Validator] Missing translations for Hungarian (hu) #53769

* 6.4:
  Skip Twig v3.9-dev for now
  [Validator] Update Dutch (nl) translation
  Update Albanian translations
  [Validator] Update translation
  [FrameworkBundle] Prevent silenced warning by checking if /proc/mount exists
  [VarDumper][PhpUnitBridge] Fix color detection
  prevent throwing NOT_FOUND error when tube is empty
  [Validator] Update missing validator translation for Swedish
  [FrameworkBundle] Fix eager-loading of env vars in ConfigBuilderCacheWarmer
  [Messenger] Fix failing Redis test
  [Validator] Update Italian (it) translations
  [Validator] Missing translations for Hungarian (hu) #53769
  revert to native PHP union types
  [Validator] Missing translations for Russian (ru) #53775
  fix syntax errors on PHP 7

* 5.4:
  Do not produce notice/warning when consuming from multiple transports and explicitly listed queues
  [FrameworkBundle] Check if the _route attribute exists on the request
  [HttpClient] Make retry strategy work again
  [Mailer] Fix signed emails breaking the profiler
  [Validator] Update Spanish (es) translations
  Fix SQS visibility_timeout type

This PR was merged into the 5.4 branch.

Discussion
----------

[TwigBridge] Fix compat with Twig v3.9

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

This PR relies on twigphp/Twig#3999

Commits
-------

f563a4c5a8 [TwigBridge] Fix compat with Twig v3.9

* 5.4:
  [TwigBridge] Fix compat with Twig v3.9
  [Mailer] Simplify fix

* 6.4:
  [TwigBridge] foundation 5 layout: use form_label_content block for checkbox and radio labels
  [TwigBridge] Fix compat with Twig v3.9
  [Cache] Sync the Redis proxies with upstream
  [Doctrine Messenger] Fix support for pgsql + pgbouncer.
  [Mailer] Simplify fix
  Do not produce notice/warning when consuming from multiple transports and explicitly listed queues
  [FrameworkBundle] Check if the _route attribute exists on the request
  [Scheduler] fix documentation link
  [PropertyAccess] Fixes getValue() on an unitialized object property on a lazy ghost
  [HttpClient] Make retry strategy work again
  AssetMapper: Remove 'auto-generated' info
  [Mailer] Fix signed emails breaking the profiler
  [Mailer] [Mailgun] Fix expecting payload without tags or user variables
  [Validator] Update Spanish (es) translations
  Fix fetching data in `W3CReferenceTest` on AppVeyor
  Fix SQS visibility_timeout type
  [VarDumper] Fix serialization of stubs with null or uninitialized values

…nk prefetching

* 5.4:
  [DependencyInjection] Fix computing error messages involving service locators
  [Serializer] Fix unknown types normalization type when know type
  [ErrorHandler] Fix parsing messages that contain anonymous classes on PHP >= 8.3.3
  [Validator] Review Romanian (ro) translations
  [Console] Fix display of Table on Windows OS
  [FrameworkBundle] Fix config builder with extensions extended in `build()`
  [WebProfilerBundle] disable turbo in web profiler toolbar to avoid link prefetching
  explicitly cast boolean SSL stream options
  return the unchanged text if preg_replace_callback() fails
  the 'use_notify' option is on the factory, not on the postgres connection class
  review translations

* 6.4:
  [DependencyInjection] Fix computing error messages involving service locators
  [Serializer] Fix unknown types normalization type when know type
  [ErrorHandler] Fix parsing messages that contain anonymous classes on PHP >= 8.3.3
  [AssetMapper] Fix enquoted string pattern
  [Validator] Review Romanian (ro) translations
  [Console] Fix display of Table on Windows OS
  [FrameworkBundle] Fix config builder with extensions extended in `build()`
  [Translation] Fix extracting qualified t() function calls
  Fix vertical table on windows
  Fix the `command -v` exception when the command option with a dash prefix
  [WebProfilerBundle] disable turbo in web profiler toolbar to avoid link prefetching
  explicitly cast boolean SSL stream options
  return the unchanged text if preg_replace_callback() fails
  the 'use_notify' option is on the factory, not on the postgres connection class
  review translations