pgAdmin 4: APT repository

Supported platform matrix:

+------------------------+--------------+-------------------------+------------------------+
| Platform               | Architecture | First supported release | Last supported release |
+------------------------+--------------+-------------------------+------------------------+
| Debian 9 (Stretch)     |    x86_64    |           4.22          |           5.3          |
| Debian 10 (Buster)     |    x86_64    |           4.22          |            -           |
| Debian 11 (Bullseye)   |    x86_64    |           4.30          |            -           |
| Debian 12 (Bookworm)   |    x86_64    |           7.0           |            -           |
+------------------------+--------------+-------------------------+------------------------+
| Ubuntu 16.04 (Xenial)  |    x86_64    |           4.22          |          4.30          |
| Ubuntu 18.04 (Bionic)  |    x86_64    |           4.22          |          6.21          |
| Ubuntu 19.04 (Disco)   |    x86_64    |           4.22          |          4.22          |
| Ubuntu 19.10 (Eoan)    |    x86_64    |           4.22          |          4.29          |
| Ubuntu 20.04 (Focal)   |    x86_64    |           4.22          |            -           |
| Ubuntu 20.10 (Groovy)  |    x86_64    |           4.30          |           5.5          |
| Ubuntu 21.04 (Hirsute) |    x86_64    |           5.3           |           6.4          |
| Ubuntu 21.10 (Impish)  |    x86_64    |           6.2           |          6.11          |
| Ubuntu 22.04 (Jammy)   |    x86_64    |           6.9           |            -           |
| Ubuntu 22.10 (Kinetic) |    x86_64    |           6.16          |           7.5          |
| Ubuntu 23.04 (Lunar)   |    x86_64    |           7.1           |           8.3          |
| Ubuntu 23.10 (Mantic)  |    x86_64    |           8.0           |            -           |
| Ubuntu 24.04 (Noble)   |    x86_64    |           8.7           |            -           |
+------------------------+--------------+-------------------------+------------------------+

IMPORTANT NOTE: Packages for distributions that are no longer supported will be archived to 
https://pgadmin-archive.postgresql.org/, from where they can be manually downloaded. The archive
site cannot be used as a repository!

To use this repository, run the following commands:

#
# Setup the repository
#

# Install the public key for the repository (if not done previously):
curl -fsS https://www.pgadmin.org/static/packages_pgadmin_org.pub | sudo gpg --dearmor -o /usr/share/keyrings/packages-pgadmin-org.gpg

# Create the repository configuration file:
sudo sh -c 'echo "deb [signed-by=/usr/share/keyrings/packages-pgadmin-org.gpg] https://ftp.postgresql.org/pub/pgadmin/pgadmin4/apt/$(lsb_release -cs) pgadmin4 main" > /etc/apt/sources.list.d/pgadmin4.list && apt update'

#
# Install pgAdmin
#

# Install for both desktop and web modes:
sudo apt install pgadmin4

# Install for desktop mode only:
sudo apt install pgadmin4-desktop

# Install for web mode only: 
sudo apt install pgadmin4-web 

# Configure the webserver, if you installed pgadmin4-web:
sudo /usr/pgadmin4/bin/setup-web.sh