Update install.sh

[shadyeip]

Bumping OS_VERSION to support more recent versions of Ubuntu.

22.04 Installation using option 1:

root@fiercephish-test:~# grep DISTRIB_RELEASE /etc/lsb-release
DISTRIB_RELEASE=22.04
root@fiercephish-test:~# ./install.sh 
< trimmed > 
   [~] Continuing installation...n] > 
   [~] Installing FiercePhish!
   [~] Updating package repositories
   [~] Installing the required packages (this may take a few minutes)
   [~] Installing Composer
   [~] Installing Bower
   [~] Pulling the latest FiercePhish from GitHub to /var/www/fiercephish
   [~] Installing FiercePhish into Apache (this can take a few minutes)


   [~] Configuring FiercePhish
   [~] Generating database
   [~] Creating User
   [~] Installing cron job
   [~] Configuring Supervisor to process jobs
   [~] Done installing FiercePhish!
   [~] Installing SMTP (Postfix) and IMAP (dovecot)
   [~] Updating package repositories
   [~] Installing the required packages (this may take a few minutes)
   [~] Creating local user fiercephish for email retrieval
   [~] Configuring Postfix
   [~] Configuring DKIM
   [~] Configuring Dovecot
   [~] Restarting mail services
   [~] Updating FiercePhish configuration file
   [~] Done installing SMTP and IMAP!
   [~] Installation is complete
   [~] Perform the following actions to finish up:

22.10 Installation using option 1:

root@fiercephish-test2:~# grep DISTRIB_RELEASE /etc/lsb-release 
DISTRIB_RELEASE=22.10
root@fiercephish-test2:~# ./install.sh 
< trimmed >
   [~] Continuing installation...n] > 
   [~] Installing FiercePhish!
   [~] Updating package repositories
   [~] Installing the required packages (this may take a few minutes)
   [~] Installing Composer
   [~] Installing Bower
   [~] Pulling the latest FiercePhish from GitHub to /var/www/fiercephish
   [~] Installing FiercePhish into Apache (this can take a few minutes)



   [~] Configuring FiercePhish
   [~] Generating database
   [~] Creating User
   [~] Installing cron job
   [~] Configuring Supervisor to process jobs
   [~] Done installing FiercePhish!
   [~] Installing SMTP (Postfix) and IMAP (dovecot)
   [~] Updating package repositories
   [~] Installing the required packages (this may take a few minutes)
   [~] Creating local user fiercephish for email retrieval
   [~] Configuring Postfix
   [~] Configuring DKIM
   [~] Configuring Dovecot
   [~] Restarting mail services
   [~] Updating FiercePhish configuration file
   [~] Done installing SMTP and IMAP!
   [~] Installation is complete
   [~] Perform the following actions to finish up:
< redcated >