[upgrade] add unzip as dependency

Author: ar2rsawseen

bin/upgrade/18.01/upgrade.sh

@@ -8,9 +8,9 @@ bash $DIR/scripts/detect.init.sh
 YUM_CMD=$(which yum)
 APT_GET_CMD=$(which apt-get)
 if [[ ! -z $APT_GET_CMD ]]; then
-	apt-get install -y sqlite3
+	apt-get install -y sqlite3 unzip
 elif [[ ! -z $YUM_CMD ]]; then
-	yum install -y sqlite
+	yum install -y sqlite unzip
 fi
 
 countly stop