Bump version to 1.0.0-preview.8

Agent-Logs-Url: https://github.com/WB-Tooling/WB.Logging.Base/sessions/4fcb84f2-2bbd-469a-9883-bb1fedea0fd3

Co-authored-by: WolfBublitz <19998310+WolfBublitz@users.noreply.github.com>

Author: Copilot

Directory.Build.props

@@ -22,7 +22,7 @@
        │ Version                                                              │
        ╰──────────────────────────────────────────────────────────────────────╯ -->
   <PropertyGroup>
-      <Version>1.0.0-preview.7</Version>
+      <Version>1.0.0-preview.8</Version>
   </PropertyGroup>
 
   <!-- ╭──────────────────────────────────────────────────────────────────────╮