Merge branch '6.4' into 7.4

* 6.4:
  [HttpFoundation] Match paths with the DOTALL modifier in PathRequestMatcher
  Merge branch '5.4' into 6.4
  bug #65779 [Messenger] Fix a crash when a Redis stream entry is not a JSON object (nicolas-grekas)
  [Messenger] Fix a crash when a Redis stream entry is not a JSON object
  bug #65778 [Mime] Never emit a raw control character in a header (Spomky)
  [Mime] Never emit a raw control character in a header
  bug #65776 [Notifier][Vonage] Verify the payload_hash claim of signed webhooks (nicolas-grekas)
  bug #65775 [HttpFoundation] Match paths with the DOTALL modifier (nicolas-grekas)
  bug #65773 [Mailer][Sendgrid] Verify the webhook signature before parsing the payload (nicolas-grekas)
  bug #65777 [Mime] Do not treat an "@" inside the domain as the addr-spec separator (Spomky)
  [Mime] Do not treat an "@" inside the domain as the addr-spec separator
  bug #65772 [Webhook] Reject a malformed request body with a 406 instead of a 500 (nicolas-grekas)