misc/ssh_tg_notify: Used [[ instead of [ for if expression

roles/misc/ssh_tg_notify/templates/notify.sh

@@ -6,7 +6,7 @@ KEY={{ bot_key | quote }}
 
 TIMEOUT={{ timeout | quote }}
 URL="https://api.telegram.org/bot$KEY/sendMessage"
-if [ "$PAM_SERVICE" == "sshd" -a "$PAM_TYPE" == "open_session" -a "$PAM_USER" != "git" -a -z "$TMUX" ]; then
+if [[ "$PAM_SERVICE" == "sshd" && "$PAM_TYPE" == "open_session" && "$PAM_USER" != "git" && -z "$TMUX" ]]; then
     IP="$PAM_RHOST"
     HOSTNAME=$(hostname --fqdn)
     TEXT="Successful login from [$IP](https://ipinfo.io/$IP) for ${PAM_USER} @ ${HOSTNAME} ($(date "+%Y-%m-%d %H:%M"))"