Function gke_log_parser_loop 

pub async fn gke_log_parser_loop(
    token: String,
    project_name: String,
    gke_cluster_endpoint: String,
    gke_cluster_namespace: String,
    gke_cluster_region: String,
    gke_k8s_hostname: String,
    gke_log_message: Vec<String>,
    slack_webhook_url: String,
    slack_channel: String,
    slack_username: String,
    slack_message_text: String,
    slack_notified_users: Vec<String>,
    slack_icon_emoji: String,
)

Log parser loop with error handling and reconnecting