EspoCRM 7.5.5 (18RC1) test update

Repository: https://github.com/UncleDan/espocrm/tree/18-update-UncleDan
Test version: https://github.com/UncleDan/espocrm/releases/tag/v18rc1-bookworm_beta_20...
Pull request: https://github.com/turnkeylinux-apps/espocrm/pull/22
Buge/Notes: Seems to work. You tell me.