Ruby 2.7 and TLS 1.3 with RestClient not working

Question

I'm having problems trying to request an endpoint that is using TLS 1.3

require 'base64'
require 'openssl'
require 'rest-client'

auth_payload = {
  grant_type: 'client_credentials',
  scope: 'cobrancas.boletos-info cobrancas.boletos-requisicao'
}

encoded_token = Base64.strict_encode64(
  'MY_CLIENT_ID:MY_CLIENT_SECRET'
)

response = RestClient::Request.execute(
  method: 'post',
  url: "https://oauth.sandbox.bb.com.br/oauth/token",
  payload: auth_payload,
  verify_ssl: OpenSSL::SSL::VERIFY_NONE,
  headers: {
    content_type: 'application/x-www-form-urlencoded',
    authorization: "Basic #{encoded_token}"
  }
)

I tried removing verify_ssl and adding ssl_version: 'TLSv1_3' and it returned the error unknown SSL method TLSv1_3 (ArgumentError)

Passing the verify_ssl: OpenSSL::SSL::VERIFY_NONE attribute sometimes works and sometimes returns the error Connection reset by peer - SSL_connect (Errno::ECONNRESET)

Without passing the verify_ssl and ssl_version attributes returns the error SSL_connect returned=1 errno=0 peeraddr=1.1.1.1:443 state=error: certificate verify failed (unable to get local issuer certificate) (OpenSSL::SSL::SSLError)

Tried using Ruby 2.7.6 and 3.1.2 both don't work.

Through CURL it worked every time I tried (and there were many)

curl -X POST https://oauth.sandbox.bb.com.br/oauth/token -v \
     -H "Authorization: Basic ${MY_TOKEN}" \
     -d "grant_type=client_credentials"

I did a lot of research on the internet, as I understand it, Ruby still doesn't support https endpoints that use TLS 1.3, is that right?