docs: update changelog for 5.0.5 (#329)

Signed-off-by: Becker, Lukas <Lukas.Becker@vector.com>

Author: VLukasBecker

docs/changelog/versions/latest.md

@@ -1,4 +1,4 @@
-# [5.0.5] - UNRELEASED
+# [5.0.5] - 2026-05-21
 
 ## Fixed
 
@@ -10,6 +10,8 @@
 - `cmake`: merged almost all internal CMake `INTERFACE` libraries into `I_SilKit`
 - `third-party`: update `oatpp` to version 1.3.1
 - `docs`: update the supported platforms table
+- `docs`: Extend docs by available metrics
+- `docs`: Add missing related products
 - `quality`: following small improvements
   - add missing `#pragma once`
   - add `static` to some TU-local functions