Make database client installation optional for mysql on Debian/Ubuntu

[TheMonkeyBrain]

SUMMARY

zabbix_proxy_install_database_client is not honored for mysql on Debian/Ubuntu like it is for RedHat and Suse.

Installing default-mysql-client removes MariaDB packages.

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

zabbix_proxy role

ADDITIONAL INFORMATION

# apt-get install default-mysql-client
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
  galera-4 libcgi-fast-perl libcgi-pm-perl libclone-perl libconfig-inifiles-perl libdbd-mysql-perl libdbi-perl libencode-locale-perl
  libfcgi-bin libfcgi-perl libfcgi0ldbl libhtml-parser-perl libhtml-tagset-perl libhtml-template-perl libhttp-date-perl libhttp-message-perl
  libio-html-perl liblwp-mediatypes-perl libmariadb3 libsnappy1v5 libtimedate-perl liburi-perl liburing2 mariadb-common
  mariadb-server-core-10.6 socat
Use 'apt autoremove' to remove them.
The following additional packages will be installed:
  mysql-client-8.0 mysql-client-core-8.0
The following packages will be REMOVED:
  mariadb-client mariadb-client-10.6 mariadb-client-core-10.6 mariadb-server mariadb-server-10.6
The following NEW packages will be installed:
  default-mysql-client mysql-client-8.0 mysql-client-core-8.0
0 upgraded, 3 newly installed, 5 to remove and 5 not upgraded.
Need to get 2741 kB of archives.
After this operation, 45.6 MB disk space will be freed.
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[eb4x]

Looks good, thank you for contributing! 👍