Devops: Upgrade to PHP 7.4

$ sudo apt-get update

$ sudo apt -y install software-properties-common

$ sudo add-apt-repository ppa:ondrej/php

$ sudo apt-get update

$ sudo apt -y install php7.4

$ sudo apt install php7.4-{bcmath,xml,curl,bz2,intl,gd,mbstring,mysql,zip,pgsql}

$ sudo a2dismod php7.2

$ sudo a2enmod php7.4

$ sudo service apache2 restart