Release 2.11.10-1

Note: The release builds for this security update were prepared in a private fork before publishing the release and were uploaded from there: https://git.icinga.com/packaging/icinga2-2.12.5-2.11.10/rpm-icinga2

• Release pipeline: https://git.icinga.com/packaging/icinga2-2.12.5-2.11.10/rpm-icinga2/-/pipelines/19088
• Extra commit used for release builds: packaging/icinga2-2.12.5-2.11.10/rpm-icinga2@36bf0db2

requested review from @aklimov

mentioned in commit 11518ae2

merged