FTL Fails to update to 5.0 - Ubuntu 18.04.4 LTS

Expected Behaviour:

I believe that when I run pihole -up it should update pihole.

Actual Behaviour:

When running pihole -up it gets to Reading state information... Done and then fails and gives me the following message.
The following packages have unmet dependencies:
php-intl : Depends: php7.2-intl but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Debug Token:

https://tricorder.pi-hole.net/9srz9am796

What is the output of the following from the Pi terminal:

sudo apt update

Here is the output for sudo apt update
Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://archive.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Get:3 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Fetched 177 kB in 1s (180 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.

This thread may have a solution:

I followed the steps and now am getting the below error.

The following packages have unmet dependencies:
php7.2-intl : Depends: php7.2-common (= 7.2.3-1ubuntu1) but 7.2.24-0ubuntu0.18.04.6 is to be installed
E: Unable to correct problems, you have held broken packages.

I followed the instructions again today and this time everything worked and I am now upgraded to 5.0. Thank you for your help.