net/foreman-proxy: update 2.2.3 -> 2.3.5

• Add new dependency: devel/rubygem-sd_notify
• Add new BMC dependency: sysutils/rubygem-redfish_client

Changes: https://github.com/theforeman/smart-proxy/compare/2.2.3...2.3.5
PR: 253008
Submitted by: junovitch