* 5.4:
Fix merge
[Mime] Throw exception when body in Email attach method is not ok
[VarDumper][VarExporter] Deal with DatePeriod->include_end_date on PHP 8.2
[Cache] Throw when "redis_sentinel" is used with a non-Predis "class" option
fix merge
Bootstrap 4 fieldset for row errors
[Form] Fix same choice loader with different choice values
[Filesystem] Safeguard (sym)link calls
Fix dumping extension config without bundle
[HttpClient] Honor "max_duration" when replacing requests with async decorators
[HttpClient] Add missing HttpOptions::setMaxDuration()
[HttpFoundation] [Session] Overwrite invalid session id
Allow arbitrary values in the "json" request option. Previously values were
limitated to arrays and objects of type JsonSerializable. This doesn't account
for scalar values and classes with public properties (which don't need to
implement JsonSerializable), all of which are perfectly acceptable arguments to
json_encode.
