[GONRG-5820] Update elastic multipartition configuration

Example variable for multiple partition elastic configuration:

terraform.tfvars

partition_elastic_configuration = {
  osdu = {
    elastic_user = "elastic"
    elastic_pass = "p@ssw0rd"
    elastic_host = "some_host"
    elastic_port = "9243"
  }
  devtwo = {
    elastic_user = "elastic"
    elastic_pass = "p@ssw0rd"
    elastic_host = "some_host"
    elastic_port = "9243"
  }
}