Merge branch '8.1' into 8.2

* 8.1:
  [HttpClient] Suppress warnings from failed DNS lookups
  [Security] Read the OAuth2 verified claims as booleans
  [Security] Read the OIDC verified claims as booleans
  [Serializer] Don't reuse list items with deep_object_to_populate
  [FrameworkBundle] Fix configuring the S/MIME encrypter cipher
  [Messenger] Fix sub-second delays being ignored by the in-memory transport
  [Cache] Don't close lock handles that are still in use when evicting a slot
  [FrameworkBundle] Fix HTTP client request assertion matching
  [FrameworkBundle] Fix referencing "lock.factory" when no default lock resource is configured

# Conflicts:
#	src/Symfony/Component/Security/Http/AccessToken/Oidc/OidcTrait.php
#	src/Symfony/Component/Security/Http/Tests/AccessToken/OAuth2/OAuth2TokenHandlerTest.php