fix: psql client not found in arm dockerfile

[rriski]

Postgresql client has a dependency to perl and removing perl also removes psql from the container image.

Attached logs from running apt remove perl from a container built with this patch:

root@3c557f7743b3:/# apt remove perl
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
libedit2 libgdbm-compat4 libgdbm6 libicu70 libllvm14 libperl5.34 libreadline8 libxml2 libxslt1.1 locales netbase perl-modules-5.34 readline-common ssl-cert tzdata ucf
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
libjson-perl perl postgresql postgresql-14 postgresql-client postgresql-client-14 postgresql-client-common postgresql-common
0 upgraded, 0 newly installed, 8 to remove and 0 not upgraded.
After this operation, 49.2 MB disk space will be freed.
Do you want to continue? [Y/n]

Related to #68