Ettercap 0.8.5.1 (Beccaria)

This is a hotfix release for the 0.8.5 release. It contains the same security fixes, GTK4 interface, and bug fixes as v0.8.5; see the v0.8.5 release notes for the full changelog.

This release corrects:

• include/ec_version.h — the runtime reported version is now 0.8.5.1
• desktop/ettercap.metainfo.xml — the AppStream release list now includes 0.8.5.1
• CMakeLists.txt — project version now matches the release tag